config: add new global commit scope

.commitlintrc.js

@@ -25,7 +25,8 @@ const SCOPES = [
   "setup",
   "docs",
   "refactor",
-  "misc"
+  "misc",
+  "global"
 ];
 
 module.exports = {

CONTRIBUTING.md

@@ -117,6 +117,7 @@ All commits must include valid scopes in the commit message. **Valid commit scop
 3. `setup`: setting up something new in the repo (e.g. eslint, commitlint)
 4. `docs`: changes related to documentation (README etc.)
 5. `misc`: miscellaneous changes like package-lock.json updates
+6. `global`: changes related to the whole repo
 
 **Some example commits would look like this:**