Add cds-ai-codereviewer github action to k8s repo (#2922)

* Typos

* Added CDS AI code review github action

.github/actions/diff-env-vars/action.yaml

@@ -5,13 +5,13 @@ inputs:
     description: The name of the first environment
     required: true
   env1-vars:
-    description: The first environment's varaible names
+    description: The first environment's variable names
     required: true
   env2-name:
     description: The name of the second environment
     required: true
   env2-vars:
-    description: The second envrionment's variable names
+    description: The second environment's variable names
     required: true
 
 runs:

.github/workflows/ai-code-scanner.yml

@@ -0,0 +1,26 @@
+name: AI Code Review
+
+on:
+  pull_request:
+    types:
+      - opened
+      - synchronize
+
+jobs:
+  ai_code_review:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: AI Code Review
+      uses: cds-snc/cds-ai-codereviewer@main
+      with:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+        OPENAI_API_MODEL: ${{ vars.OPENAI_API_MODEL }}
+        OPENAI_API_VERSION: ${{ vars.OPENAI_API_VERSION }}
+        OPENAI_BASE_URL: ${{ vars.OPENAI_BASE_URL }}
+        exclude: "**/.env,**/*.aws,**/*.zip,*lock*"
+        include: "**/*.js,**/*.md,**/*.ps1,**/*.sh,**/*.txt,**/*.yml"