Update hash-labels.md (#219)

Adds the following to the tables:
- atomiswave
- baddesthacks
- gamebanana
- github
- gog
- mdplus
- metconst
- moddb
- naomi
- pokecommunity
- rhdc
- romhackplaza

Author: televandalist

docs/guidelines/content/hash-labels.md

@@ -39,22 +39,34 @@ The following are used for preservation groups or collections:
 
 The following are used for specific websites:
 
-| Image                                                                                | Label to Use  | Note                                                                   |
-| ------------------------------------------------------------------------------------ | ------------- | ---------------------------------------------------------------------- |
-| ![atari-age-label](https://retroachievements.org/Images/labels/atariage.png)         | `atariage`    | Popular site for Homebrews                                             |
-| ![itch-io-label](https://retroachievements.org/Images/labels/itchio.png)             | `itchio`      | Popular site for Homebrews                                             |
-| ![project-egg-label](https://retroachievements.org/Images/labels/egg.png)            | `egg`         | ROMs purchased from Project Egg, typically Japanese PC games.          |
-| ![steam-label](https://retroachievements.org/Images/labels/steam.png)                | `steam`       | ROMs purchased from Steam.                                             |
-| ![smwcentral-label](https://retroachievements.org/Images/labels/smwcentral.png)      | `smwcentral`  | Popular repository for Super Mario World hacks.                        |
-| ![rhdn-label](https://retroachievements.org/Images/labels/rhdn.png)                  | `rhdn`        | Popular repository for ROM hacks                                       |
+| Image                                                                                 | Label to Use   | Note                                                                   |
+| ------------------------------------------------------------------------------------- | -------------- | ---------------------------------------------------------------------- |
+| ![atari-age-label](https://retroachievements.org/Images/labels/atariage.png)          | `atariage`     | Popular site for Homebrews                                             |
+| ![baddesthacks-label](https://retroachievements.org/Images/labels/baddesthacks.png)   | `baddesthacks` | Site for questionable hacks                                            |
+| ![project-egg-label](https://retroachievements.org/Images/labels/egg.png)             | `egg`          | ROMs purchased from Project Egg, typically Japanese PC games.          |
+| ![gamebanana-label](https://retroachievements.org/Images/labels/gamebanana.png)       | `gamebanana`   | Site with hacks/mods for PS1, PS2, PSP, GC, etc.                       |
+| ![github-label](https://retroachievements.org/Images/labels/github.png)               | `github`       | Used for hacks, homebrews, etc. that are hosted on GitHub              |
+| ![gog-label](https://retroachievements.org/Images/labels/gog.png)                     | `gog`          | ROMs purchased from GOG.com - will likely only be used for DOS hashes  |
+| ![itch-io-label](https://retroachievements.org/Images/labels/itchio.png)              | `itchio`       | Popular site for Homebrews                                             |
+| ![metconst-label](https://retroachievements.org/Images/labels/metconst.png)           | `metconst`     | Metroid hack repository and community                                  |
+| ![moddb-label](https://retroachievements.org/Images/labels/moddb.png)                 | `moddb`        | Popular repository for hacks/mods for newer consoles/PCs               |
+| ![pokecommunity-label](https://retroachievements.org/Images/labels/pokecommunity.png) | `pokecommunity`| Pokemon hack repository and community                                  |
+| ![rhdc-label](https://retroachievements.org/Images/labels/rhdc.png)                   | `rhdc`         | Popular repository for Super Mario 64 hacks.                           |
+| ![romhackplaza-label](https://retroachievements.org/Images/labels/romhackplaza.png)   | `romhackplaza` | Newer hack repository and community                                    |
+| ![steam-label](https://retroachievements.org/Images/labels/steam.png)                 | `steam`        | ROMs purchased from Steam.                                             |
+| ![smwcentral-label](https://retroachievements.org/Images/labels/smwcentral.png)       | `smwcentral`   | Popular repository for Super Mario World hacks.                        |
+| ![rhdn-label](https://retroachievements.org/Images/labels/rhdn.png)                   | `rhdn`         | Popular repository for ROM hacks                                       |
 
 The following are generic labels:
 
 | Image                                                                                | Label to Use  | Note                                                                   |
 | ------------------------------------------------------------------------------------ | ------------- | ---------------------------------------------------------------------- |
 | ![main-label](https://retroachievements.org/Images/labels/main.png)                  | `main`        | Sometimes used to show the primary ROM used by the set developer(s)    |
+| ![atomiswave-label](https://retroachievements.org/Images/labels/atomiswave.png)      | `atomiswave`  | Generic label for Atomiswave arcade games                              |
 | ![homebrew-label](https://retroachievements.org/Images/labels/homebrew.png)          | `homebrew`    | Generic label for Homebrews                                            |
+| ![mdplus-label](https://retroachievements.org/Images/labels/mdplus.png)              | `mdplus`      | Generic label for ROMs using MD+ patches                               |
 | ![msu-1-label](https://retroachievements.org/Images/labels/msu1.png)                 | `msu1`        | Generic label for ROMs using MSU-1 patches                             |
+| ![naomi-label](https://retroachievements.org/Images/labels/naomi.png)                | `naomi`       | Generic label for NAOMI and NAOMI 2 arcade games                       |
 | ![snes-mini-label](https://retroachievements.org/Images/labels/snesmini.png)         | `snesmini`    |                                                                        |
 | ![offline-list-label](https://retroachievements.org/Images/labels/offlinelist.png)   | `offlinelist` |                                                                        |