[CI] Check contributor user ID

Check if a user ID of the submitter is in the Contributor Agreement file.

Author: ppenzin

azure-pipelines.yml

@@ -3,8 +3,22 @@ trigger:
 - release/*
 
 jobs:
+  - job: CLA
+    timeoutInMinutes: 5
+    pool:
+      vmImage: 'ubuntu-latest'
+
+    steps:
+    - script: |
+        echo Checking contribution agreement for $USER
+        tail -n +36 Contribution\ Agreement.md | awk -F\| '{print $3}' | grep -wq $USER
+      displayName: "Check Contributor Agreement"
+      env:
+        USER: $(Build.RequestedFor)
+
   - job: CMake
     timeoutInMinutes: 120
+    dependsOn: CLA
     strategy:
       maxParallel: 6
       matrix:
@@ -77,6 +91,7 @@ jobs:
 
   - job: MSVC
     timeoutInMinutes: 120
+    dependsOn: CLA
     pool:
       vmImage: 'windows-latest'
     strategy: