OP#336 add gitignore and remove tracked files

.vscode/settings.json

@@ -1,7 +0,0 @@
-{
-    "cSpell.words": [
-        "creativecommons",
-        "sublicensable",
-        "waivable"
-    ]
-}

Jenkinsfile

@@ -80,6 +80,8 @@ pipeline {
                         git branch -D development
                         git branch -D jenkins-build-$BUILD_NUMBER
                         git rm -f Jenkinsfile
+                        git rm -r --cached .scannerwork
+                        git rm -r --cached .vscode
                         git commit --amend --no-edit --allow-empty
                         git remote add master https://gitea.confdroid.com/confdroid/slugs-icons.git
                         git -c credential.helper="!f() { echo username=${GITEA_USER}; echo password=${GITEA_TOKEN}; }; f" \