update clang and add action (#664)

* update clang and add action

* try clang on course folder only

* forget two file

* Update course_displaylists.inc.c

* forget few other file

* Update course_vertices.inc.c

* format all code while get it match

* second pass

* format other dir

* disable clang format on bad ido code

* fix some tabulation

* revert format on tool dir

* Update clang-format.yml

* ignore gbi.h

* add some read me instruction

* fix error

* format and fixing error

* Update README.md

---------

Co-authored-by: MegaMech <MegaMech@users.noreply.github.com>

.github/workflows/clang-format.yml

@@ -0,0 +1,21 @@
+name: clang-format Check
+on: [push, pull_request]
+jobs:
+  formatting-check:
+    name: Formatting Check
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        path:
+          - include
+          - data
+          - courses
+          - src
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run clang-format style check for C/C++/Protobuf programs.
+        uses: jidicula/clang-format-action@v4.13.0
+        with:
+          clang-format-version: "18"
+          check-path: ${{ matrix.path }}
+          exclude-regex: "gbi.h"