chore: enable workflow_dispatch and fix dependency loading for deployment

.github/workflows/06.1.main.yml

@@ -3,10 +3,11 @@ on:
   push:
     branches:
       - master
+  workflow_dispatch:
 
 # Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
 permissions:
-  contents: read
+  contents: write
   pages: write
   id-token: write
 
@@ -33,6 +34,7 @@ jobs:
 
       - name: Install dependencies
         run: |
+          pip install mkdocs-material mkdocs-redirects mkdocs-minify-plugin pymdown-extensions
           pip install -r requirements.txt
 
       # 1. Build V1 to a temporary staging area