add github workflows

Author: Thomas

.github/workflows/build_and_test_cpp.yml

@@ -0,0 +1,36 @@
+name: Build And Test
+
+on: push
+
+env:
+  VCPKG_BINARY_SOURCES: "clear;x-aws,s3://vcpkg-build-cache-us-east-1,readwrite"
+  AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+  AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+
+jobs:
+  build-and-test-cpp:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+     - name: Checkout repository
+       uses: actions/checkout@v4
+       with:
+         submodules: recursive
+         fetch-depth: 0
+     - name: Build and unittest
+       run: cmake --workflow --preset test
+       working-directory: sdk
+
+     - uses: oven-sh/setup-bun@v2
+
+     - name: Install integration test server
+       run: bun install
+       working-directory: integration_test_server
+
+     - name: Start integration test server
+       run: bun dev &
+       working-directory: integration_test_server
+
+     - name: Integration test run
+       run: ./build/test/nabto_integration_test
+       working-directory: sdk

.github/workflows/build_cpp_examples.yml

@@ -0,0 +1,22 @@
+name: Build examples
+
+on: push
+
+env:
+  VCPKG_BINARY_SOURCES: "clear;x-aws,s3://vcpkg-build-cache-us-east-1,readwrite"
+  AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+  AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+
+jobs:
+  build-cpp-examples:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+     - name: Checkout repository
+       uses: actions/checkout@v4
+       with:
+         submodules: recursive
+         fetch-depth: 0
+     - name: Build
+       run: cmake --workflow --preset release
+       working-directory: examples/libdatachannel

.github/workflows/cpp_signaling_library_check.yml

@@ -0,0 +1,28 @@
+name: Check Library code
+
+on: push
+
+permissions:
+  actions: write
+  checks: write
+  contents: read
+
+env:
+  VCPKG_BINARY_SOURCES: "clear;x-aws,s3://vcpkg-build-cache-us-east-1,readwrite"
+  AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+  AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+
+
+jobs:
+  clang-tidy-check:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+          fetch-depth: 0
+      - name: Run clang tidy
+        run: cmake --workflow --preset clang_tidy
+        working-directory: sdk/cpp