Move Generator section to Extension Guides

Signed-off-by: Hung-Han (Henry) Chen <1474479+chenhunghan@users.noreply.github.com>

docs/extensions/get-started/your-first-extension.md

@@ -1,6 +1,6 @@
 # Your First Extension
 
-We recommend to always use [Yeoman generator for Lens Extension](https://github.com/lensapp/generator-lens-ext) to start new extension project. [Read the generator guide here](generator.md).
+We recommend to always use [Yeoman generator for Lens Extension](https://github.com/lensapp/generator-lens-ext) to start new extension project. [Read the generator guide here](../guides/generator.md).
 
 If you want to setup the project manually, please continue reading.
 

mkdocs.yml

@@ -22,7 +22,6 @@ nav:
     - Getting Started:
       - Overview: extensions/get-started/overview.md
       - Your First Extension: extensions/get-started/your-first-extension.md
-      - Generator: extensions/get-started/generator.md
       - Extension Anatomy: extensions/get-started/anatomy.md
       - Wrapping Up: extensions/get-started/wrapping-up.md
     - Extension Capabilities:
@@ -33,6 +32,7 @@ nav:
       - Overview: extensions/guides/README.md
       - Main Extension: extensions/guides/main-extension.md
       - Renderer Extension: extensions/guides/renderer-extension.md
+      - Generator: extensions/guides/generator.md
     - Testing and Publishing:
       - Testing Extensions: extensions/testing-and-publishing/testing.md
       - Publishing Extensions: extensions/testing-and-publishing/publishing.md