doc: add zed installation instructions (#315)

Author: jeffreyguenther

README.md

@@ -11,6 +11,7 @@ Install: [instructions](https://pgtools.dev/#installation)
 - [CLI releases](https://github.com/supabase-community/postgres-language-server/releases)
 - [VSCode](https://marketplace.visualstudio.com/items?itemName=Supabase.postgrestools)
 - [Neovim](https://github.com/neovim/nvim-lspconfig/blob/master/doc/configs.md#postgres_lsp)
+- [Zed](https://github.com/LoamStudios/zed-postgres-language-server)
 
 ## Overview
 LSP Demo             |  CLI Demo

docs/index.md

@@ -58,12 +58,16 @@ npm add --save-dev --save-exact @postgrestools/postgrestools
 
 ### VSCode
 
-The language server is available on the [VSCode Marketplace](https://marketplace.visualstudio.com/items?itemName=Supabase.postgrestools). Its published from [this repo](https://github.com/supabase-community/postgrestools-vscode).
+The language server is available on the [VSCode Marketplace](https://marketplace.visualstudio.com/items?itemName=Supabase.postgrestools). It's published from [this repo](https://github.com/supabase-community/postgrestools-vscode).
 
 ### Neovim
 
 You will have to install `nvim-lspconfig`, and follow the [instructions](https://github.com/neovim/nvim-lspconfig/blob/master/doc/configs.md#postgres_lsp).
 
+### Zed
+
+The language server is available as an Extension. It's published from [this repo](https://github.com/LoamStudios/zed-postgres-language-server).
+
 ### GitHub Actions
 
 To use the CLI in GitHub Actions, you can install it via our [GitHub Action](https://github.com/supabase-community/postgrestools-cli-action).