CI: Add official codespell action with PR annotations

.github/workflows/static_checks.yml

@@ -71,3 +71,11 @@ jobs:
       - name: Style checks via dotnet format (dotnet_format.sh)
         run: |
           bash ./misc/scripts/dotnet_format.sh
+
+      - name: Spell checks via codespell
+        uses: codespell-project/actions-codespell@v1
+        with:
+          skip: ./.*,./**/.*,./bin,./thirdparty,*.desktop,*.gen.*,*.po,*.pot,*.rc,./AUTHORS.md,./COPYRIGHT.txt,./DONORS.md,./core/input/gamecontrollerdb.txt,./core/string/locales.h,./editor/project_converter_3_to_4.cpp,./misc/scripts/codespell.sh,./platform/android/java/lib/src/com,./platform/web/node_modules,./platform/web/package-lock.json
+          check_hidden: false
+          ignore_words_list: curvelinear,doubleclick,expct,findn,gird,hel,inout,lod,nd,numer,ot,te
+          only_warn: true