add format checker and spelling workflow

Author: ZedongPeng

.github/workflows/check-clang-format.yml

@@ -0,0 +1,20 @@
+name: test-clang-format
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - uses: DoozyX/clang-format-lint-action@v0.20
+      with:
+        source: '.'
+        extensions: 'h,c,cu'
+        clangFormatVersion: 20

.github/workflows/spelling.yml

@@ -0,0 +1,24 @@
+name: Spelling
+
+permissions:
+  contents: read
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+env:
+  CLICOLOR: 1
+
+jobs:
+  spelling:
+    name: Spell Check with Typos
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout Actions Repository
+      uses: actions/checkout@v5
+    - name: Spell Check Repo
+      uses: crate-ci/typos@v1.42.3