[JENKINS-73744_follow_up] add npm lock to ignore

Signed-off-by: Thorsten Scherler <[email protected]>

.github/renovate.json

@@ -128,7 +128,7 @@
     {
       "customType": "regex",
       "fileMatch": [
-        "war/pom.xml"
+        "pom.xml"
       ],
       "matchStrings": [
         "<node.version>(?<currentValue>.*?)</node.version>"

.gitignore

@@ -79,3 +79,6 @@ node_modules/
 
 # Generated JavaScript Bundles
 jsbundles
+
+# jenkins generated npm lock files at build time, however that should not be checked in ever
+package-lock.json

CONTRIBUTING.md

@@ -52,6 +52,8 @@ MAVEN_OPTS='--add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/ja
 
 ### Running the Yarn frontend build
 
+**NOTE** If you are already use a system that has yarn installed globally, you do not need to change your path.
+
 To run the Yarn frontend build, after [building the WAR file](#building-the-war-file), add the downloaded versions of Node and Yarn to your path:
 
 ```sh