feat(eslint): Rule "newline-before-return"

Signed-off-by: Valentin Popov <info@valentineus.link>

ROADMAP.md

@@ -75,7 +75,7 @@
 - [ ] "new-cap"
 - [ ] "new-parens"
 - [X] "newline-after-var"
-- [ ] "newline-before-return"
+- [X] "newline-before-return"
 - [ ] "newline-per-chained-call"
 - [ ] "no-alert"
 - [ ] "no-array-constructor"

src/rules/eslint.json

@@ -12,6 +12,9 @@
   "newline-after-var": [
     "off"
   ],
+  "newline-before-return": [
+    "off"
+  ],
   "no-tabs": [
     "error",
     {