feature: Add support for into modifier

Author: tgodzik

src/typescript/Scala.tmLanguage.ts

@@ -1063,6 +1063,10 @@ export const scalaTmLanguage: TmLanguage = {
         {
           match: '(?<=^|\\s)\\b(transparent|opaque|infix|open|inline)\\b(?=[a-z\\s]*\\b(def|val|var|given|type|class|trait|object|enum)\\b)',
           name: 'storage.modifier.other'
+        },
+        {
+          match: '(?<=^|\\s)\\b(into)\\b(?=[a-z\\s]*\\b(type|class|trait|enum)\\b)',
+          name: 'storage.modifier.other'
         }
       ]
     },