ESLint: Turn ban-ts-comments rule on

This turns on ban-ts-comments and adds a few configurations to it.

ts-expect-error and ts-ignore are allowed, but only when accompanied by a description clarifying their usage. The minimum length of the description is set to 5.

.eslintrc-typescript.yml

@@ -3,5 +3,11 @@ extends: [
   ]
 
 rules:
-  "@typescript-eslint/ban-ts-comment": off
+  "@typescript-eslint/ban-ts-comment":
+    - error
+    - ts-expect-error: 'allow-with-description'
+      ts-ignore: 'allow-with-description'
+      ts-nocheck: true
+      ts-check: true
+      minimumDescriptionLength: 5
   "@typescript-eslint/ban-types": off