Workflow to check JS and PY code format (#242)

* fix css files
* create workflow
* format code using prettier
* black ignore 3rd party folder
* format py code using black
* black exclude option in workflow
* Don't format workflow files
* Add contributing instructions to readme
---------
Co-authored-by: WithoutPants <53250216+WithoutPants@users.noreply.github.com>

.github/workflows/deploy.yml

@@ -2,7 +2,7 @@ name: Deploy repository to Github Pages
 
 on:
   push:
-    branches: [ main, stable ]
+    branches: [main, stable]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
@@ -17,27 +17,27 @@ jobs:
   build:
     runs-on: ubuntu-22.04
     steps:
-    - name: Checkout main
-      uses: actions/checkout@v2
-      with:
-        path: main
-        ref: main
-        fetch-depth: '0'
-    - run: |
-        cd main
-        ./build_site.sh ../_site/stable
-    - name: Checkout dev
-      uses: actions/checkout@v2
-      with:
-        path: dev
-        # change this ref to whatever dev branch/tag we need when necessary
-        ref: main
-        fetch-depth: '0'
-    - run: |
-        cd dev
-        ../main/build_site.sh ../_site/develop
-    - uses: actions/upload-pages-artifact@v2
-    
+      - name: Checkout main
+        uses: actions/checkout@v2
+        with:
+          path: main
+          ref: main
+          fetch-depth: "0"
+      - run: |
+          cd main
+          ./build_site.sh ../_site/stable
+      - name: Checkout dev
+        uses: actions/checkout@v2
+        with:
+          path: dev
+          # change this ref to whatever dev branch/tag we need when necessary
+          ref: main
+          fetch-depth: "0"
+      - run: |
+          cd dev
+          ../main/build_site.sh ../_site/develop
+      - uses: actions/upload-pages-artifact@v2
+
   deploy:
     environment:
       name: github-pages
@@ -48,4 +48,3 @@ jobs:
       - name: Deploy to GitHub Pages
         id: deployment
         uses: actions/deploy-pages@v2
-