add lua diagnostics to pipeline

bitbucket-pipelines.yml

@@ -3,14 +3,23 @@ image: atlassian/default-image:3
 pipelines:
     pull-requests:
         "**":
+            # - step:
+            #     name: Lint code
+            #     script:
+            #         - apt-get update
+            #         - apt-get -y install lua5.1
+            #         - apt-get -y install luarocks
+            #         - luarocks install luacheck
+            #         - luacheck .
             - step:
-                name: Lint code
+                name: Lua Diagnostics
+                caches:
+                    - node-modules
+                    - npm
+                    - nvm
                 script:
-                    - apt-get update
+                    - nvm use v17.2.0
-                    - apt-get -y install lua5.1
+                    - npm run lua-diagnostics
-                    - apt-get -y install luarocks
-                    - luarocks install luacheck
-                    - luacheck .
     branches:
         master:
             - step: