Add validation

.github/workflows/validate_clang_format.yml

@@ -0,0 +1,26 @@
+---
+name: Validate C++ (Clang Format)
+
+# yamllint disable-line rule:truthy
+on:
+  push:
+    paths:
+      - '**/*.h'
+      - '**/*.c'
+      - '**/*.cpp'
+  pull_request:
+    paths:
+      - '**/*.h'
+      - '**/*.c'
+      - '**/*.cpp'
+  workflow_dispatch:
+
+jobs:
+  clang-format-checking:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@main
+      - uses: RafikFarhad/clang-format-github-action@v3
+        with:
+          sources: "components/tx_ultimate_easy/*.h,components/tx_ultimate_easy/*.cpp"
+...