config: add type linting to commitlint

commitlint.config.js

@@ -6,12 +6,32 @@ const { readFileSync } = require("fs");
 const authorEmail = execSync(`git show -s --format='%ae' HEAD`)
   .toString("utf-8")
   .trim();
-
 const authors = readFileSync("AUTHORS", "utf-8");
 const isAuthor = authors.includes(`<${authorEmail}>`);
 
+const SCOPES = [
+  // apps
+  "mobile",
+  "web",
+
+  // packages
+  "crypto",
+  "crypto-worker",
+  "editor",
+  "logger",
+  "streamable-fs",
+
+  // repo maintenance
+  "config", // changing configuration of already installed tools in the repo
+  "ci", // changes related to CI
+  "setup", // setting up someting new in the repo (e.g. eslint, commitlint)
+  "docs" // changes related to documentation (README etc.)
+];
+
 module.exports = {
   rules: {
-    "signed-off-by": [isAuthor ? 0 : 2, "always", `Signed-off-by:`]
+    "signed-off-by": [isAuthor ? 0 : 2, "always", `Signed-off-by:`],
+    "type-enum": [2, "always", SCOPES],
+    "type-empty": [2, "never"]
   }
 };