Extract HTML support into an extension (#10130)

This PR extracts HTML support into an extension and removes the built-in
HTML support from Zed.

Release Notes:

- Removed built-in support for HTML, in favor of making it available as
an extension. The HTML extension will be suggested for download when you
open a `.html`, `.htm`, or `.shtml` file.

crates/languages/src/lib.rs

@@ -18,7 +18,6 @@ mod deno;
 mod elixir;
 mod elm;
 mod go;
-mod html;
 mod json;
 mod lua;
 mod nu;
@@ -71,7 +70,6 @@ pub fn init(
         ("gowork", tree_sitter_gowork::language()),
         ("hcl", tree_sitter_hcl::language()),
         ("heex", tree_sitter_heex::language()),
-        ("html", tree_sitter_html::language()),
         ("jsdoc", tree_sitter_jsdoc::language()),
         ("json", tree_sitter_json::language()),
         ("lua", tree_sitter_lua::language()),
@@ -275,13 +273,6 @@ pub fn init(
         }
     }
 
-    language!(
-        "html",
-        vec![
-            Arc::new(html::HtmlLspAdapter::new(node_runtime.clone())),
-            Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
-        ]
-    );
     language!("ruby", vec![Arc::new(ruby::RubyLanguageServer)]);
     language!(
         "erb",
@@ -327,6 +318,10 @@ pub fn init(
         "Astro".into(),
         Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
     );
+    languages.register_secondary_lsp_adapter(
+        "HTML".into(),
+        Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
+    );
     languages.register_secondary_lsp_adapter(
         "PHP".into(),
         Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),