ci: add flatcc to github action

.github/workflows/c-cpp.yml

@@ -2,7 +2,7 @@ name: C/C++ CI
 
 on:
   push:
-    branches: [ "master" ]
+    branches: [ "master", "ci" ]
   pull_request:
     branches: [ "master" ]
 
@@ -13,5 +13,20 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
+
+    # Step to install required tools
+    - name: Install required tools
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y build-essential git cmake ninja-build flatbuffers
+
+    # Step to clone and build flatcc
+    - name: Build flatcc
+      run: |
+        git clone https://github.com/dvidelabs/flatcc.git
+        cd flatcc
+        ./scripts/build.sh
+        cp bin/flatcc /usr/bin
+
     - name: make check
       run: make check