deployment extension not working on Linux (#6476)

* add webpack for built in extensions

* fix the casing issue

* Rename azCLITool.ts to azCliTool.ts

* Rename kubectlTool.ts to kubeCtlTool.ts

* fix the error

* fix the packaging issue

extensions/shared.tsconfig.json

@@ -7,6 +7,7 @@
 		"noImplicitAny": true,
 		"noImplicitReturns": true,
 		"noUnusedLocals": true,
-		"noUnusedParameters": true
+		"noUnusedParameters": true,
+		"forceConsistentCasingInFileNames": true
 	}
 }