fix(editor): highlight Justfile recipes and mobile HCL assignments (#35573)

Co-authored-by: OrcaWin <293788423+OrcaWin@users.noreply.github.com>

src/shared/editor-language/editor-language-detect.ts

@@ -73,6 +73,7 @@ const EXT_TO_LANGUAGE: Record<string, string> = {
   '.php': 'php',
   '.swift': 'swift',
   '.sh': 'shell',
+  '.just': 'shell',
   '.bash': 'shell',
   '.zsh': 'shell',
   '.fish': 'shell',
@@ -135,6 +136,8 @@ const FILENAME_TO_LANGUAGE: Record<string, string> = {
   Dockerfile: 'dockerfile',
   Jenkinsfile: 'groovy',
   Makefile: 'makefile',
+  Justfile: 'shell',
+  '.justfile': 'shell',
   'CMakeLists.txt': 'cmake',
   '.gitignore': 'ini',
   '.gitattributes': 'ini',