adding scouter dfd draft whiteboard

Author: jmarcil

Attack Tree/README.md

@@ -2,5 +2,5 @@ Examples using different tools to create attack trees.
 
 Tool | File match |
 :--- | :---
-| Whiteboard or paper | `*.jpg` |
+| Physical whiteboard or paper | `*.jpg` |
 | [PlantUML](https://plantuml-editor.kkeisuke.com/) | `*.plantuml` |

Flow Diagram/README.md

@@ -11,7 +11,7 @@ Tool | File match |
 | [Threat Dragon](https://owasp.org/www-project-threat-dragon/): The OWASP threat modelling tool | `*.json` |
 | [Graphviz](https://graphviz.gitlab.io/) DOT | `*.dot` |
 | Microsoft Visio | `*.vsdx` |
-| Physical world paper or whiteboard | `*.jpg` |
+| Physical whiteboard or paper | `*.jpg` |
 
 Currently pytm is generating the dot and then Graphviz is used to create outputs.