Add Julia REPL (#6859)

* Draft for Julia REPL mode

* Add `language_id`

* Remove unnecessary alias

* Add Julia REPL to `vendor/README.md`

* Add Ace mode

lib/linguist/languages.yml

@@ -3515,6 +3515,13 @@ Julia:
   codemirror_mode: julia
   codemirror_mime_type: text/x-julia
   language_id: 184
+Julia REPL:
+  type: programming
+  color: "#a270ba"
+  tm_scope: source.julia.console
+  group: Julia
+  ace_mode: text
+  language_id: 220689142
 Jupyter Notebook:
   type: markup
   ace_mode: json

vendor/README.md

@@ -285,6 +285,7 @@ This is a list of grammars that Linguist selects to provide syntax highlighting
 - **Jolie:** [fmontesi/language-jolie](https://github.com/fmontesi/language-jolie)
 - **Jsonnet:** [google/language-jsonnet](https://github.com/google/language-jsonnet)
 - **Julia:** [JuliaEditorSupport/atom-language-julia](https://github.com/JuliaEditorSupport/atom-language-julia)
+- **Julia REPL:** [JuliaEditorSupport/atom-language-julia](https://github.com/JuliaEditorSupport/atom-language-julia)
 - **Jupyter Notebook:** [Nixinova/NovaGrammars](https://github.com/Nixinova/NovaGrammars)
 - **Just:** [skellock/vscode-just](https://github.com/skellock/vscode-just)
 - **Kaitai Struct:** [atom/language-yaml](https://github.com/atom/language-yaml)