add CI action script for Ubuntu 22.04

Signed-off-by: Li, Xun <xun.li@intel.com>

.github/workflows/c-cpp.yml

@@ -0,0 +1,34 @@
+name: C/C++ CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  actions: read
+  checks: read
+  contents: read
+  issues: write
+  pull-requests: write
+
+jobs:
+  build:
+
+    runs-on: ubuntu-22.04
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: init submodule
+      run: git submodule update --init
+    - name: download prebuilt
+      run: QuoteGeneration/download_prebuilt.sh
+    - name: download SGXSDK
+      run: |
+        curl https://download.01.org/intel-sgx/sgx-linux/2.24/distro/ubuntu22.04-server/sgx_linux_x64_sdk_2.24.100.3.bin -o ./sgx_linux_x64_sdk.bin
+        chmod +x ./sgx_linux_x64_sdk.bin
+    - name: install SGXSDK
+      run: ./sgx_linux_x64_sdk.bin <<< "yes"
+    - name: build
+      run: source ./sgxsdk/environment ; make all