chore: spell check automation and spellcheck (#889)

* test spell check

* fix indenting

* test

* add something to test

* test spellcheck

* spelling improvements

* improve spelling and ignore list

* Update site/docs/start/00-quick-start.de.md

.github/workflows/spellcheck.yml

@@ -0,0 +1,19 @@
+name: Spellcheck
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+  
+jobs:
+  spellcheck:
+    name: Typo CI (GitHub Action)
+    runs-on: ubuntu-latest
+    timeout-minutes: 4
+    if: "!contains(github.event.head_commit.message, '[ci skip]')"
+    steps:
+    - name: TypoCheck
+      uses: typoci/spellcheck-action@master
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}