CI: Build and test Lagom (non-fuzzer) on Azure

Meta/Azure/Setup.yml

@@ -0,0 +1,25 @@
+parameters:
+  os: 'Linux'
+
+steps:
+  - checkout: self
+    persistCredentials: true
+
+  - ${{ if eq(parameters.os, 'Linux') }}:
+    - script: |
+        sudo apt-get purge -y clang-11
+        sudo apt-get update
+        sudo apt-get install ninja-build
+
+        sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-12 100
+        sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-12 100
+
+        wget https://github.com/WebAssembly/wabt/releases/download/1.0.23/wabt-1.0.23-ubuntu.tar.gz
+        tar -xzf ./wabt-1.0.23-ubuntu.tar.gz
+        rm ./wabt-1.0.23-ubuntu.tar.gz
+      displayName: 'Install Dependencies'
+
+  - ${{ if eq(parameters.os, 'macOS') }}:
+    - script: |
+        brew install ninja wabt
+      displayName: 'Install Dependencies'