Add basic support for ruby

Co-authored-by: Kay Simmons <kay@zed.dev>

crates/zed/src/languages.rs

@@ -15,6 +15,15 @@ mod python;
 mod rust;
 mod typescript;
 
+// 1. Add tree-sitter-{language} parser to zed crate
+// 2. Create a language directory in zed/crates/zed/src/languages and add the language to init function below
+// 3. Add config.toml to the newly created language directory using existing languages as a template
+// 4. Copy highlights from tree sitter repo for the language into a highlights.scm file.
+//      Note: github highlights take the last match while zed takes the first
+// 5. Add indents.scm, outline.scm, and brackets.scm to implement indent on newline, outline/breadcrumbs,
+//    and autoclosing brackets respectively
+// 6. If the language has injections add an injections.scm query file
+
 #[derive(RustEmbed)]
 #[folder = "src/languages"]
 #[exclude = "*.rs"]
@@ -107,6 +116,7 @@ pub async fn init(languages: Arc<LanguageRegistry>, _executor: Arc<Background>)
             tree_sitter_html::language(),
             Some(CachedLspAdapter::new(html::HtmlLspAdapter).await),
         ),
+        ("ruby", tree_sitter_ruby::language(), None),
     ] {
         languages.add(language(name, grammar, lsp_adapter));
     }