squash commit for adding github actions

.github/workflows/cmake-linux.yml

@@ -0,0 +1,30 @@
+name: CMake Linux Build
+
+on: [push, pull_request]
+
+env:
+  BUILD_TYPE: Release
+
+jobs:
+  linux-build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Install Dependencies
+      run: sudo apt-get update && sudo apt-get install -y libz-dev rapidjson-dev libcurl4-openssl-dev liblua5.3
+
+    - name: Create Build Environment
+      run: cmake -E make_directory ${{github.workspace}}/build-linux
+
+    - name: Configure CMake
+      shell: bash
+      working-directory: ${{github.workspace}}/build-linux
+      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DCMAKE_CXX_COMPILER=g++-10
+
+    - name: Build
+      working-directory: ${{github.workspace}}/build-linux
+      shell: bash
+      run: cmake --build . --config $BUILD_TYPE
+