Added __pycache__ to gitignore. Documented geckodriver. Invalid path now throws error

.github/workflows/build_icons.yml

@@ -1,14 +1,5 @@
 name: Build Icons
-on:
-  # Trigger the workflow on push or pull request,
-  # but only for the master branch
-  push:
-    branches:
-      - master
-  pull_request:
-    branches:
-      - master
-
+on: push
 jobs:
   build:
     name: Get Fonts From Icomoon
@@ -25,7 +16,8 @@ jobs:
           pip install -r ./.github/scripts/requirements.txt
       - name: Run icomoon_upload.py
         run: >
-          python ./.github/scripts/icomoon_upload.py ./.github/scripts/build_assets/geckodriver.exe
+          python ./.github/scripts/icomoon_upload.py 
+          ./.github/scripts/build_assets/geckodriver-v0.27.0-win64/geckodriver.exe
           ./icomoon.json ./devicon.json ./icons ./built_files --headless
       - name: Commit changes
         uses: stefanzweifel/git-auto-commit-action@v4