Fix: Harmonize files by adding new line if nedded

src/dev/main.md

@@ -1 +1 @@
-# Dev
+# Dev

src/dev/regex/main.md

@@ -10,4 +10,4 @@ Match and capture **ONLY** the number of cats and dogs using ?:, for _non captur
 
 ```txt
 (\d+) (?:cats|dogs)
-```
+```

src/dev/web/javascript/main.md

@@ -1 +1 @@
-# js
+# js