Add Astro Support (#6896)

Attempt to add `@astrojs/language-server` and
[virchau13/tree-sitter-astro](https://github.com/virchau13/tree-sitter-astro).

---------

Co-authored-by: Nate Butler <iamnbutler@gmail.com>

Cargo.lock

@@ -9112,6 +9112,15 @@ dependencies = [
  "wasmtime-c-api-impl",
 ]
 
+[[package]]
+name = "tree-sitter-astro"
+version = "0.0.1"
+source = "git+https://github.com/virchau13/tree-sitter-astro.git?rev=e924787e12e8a03194f36a113290ac11d6dc10f3#e924787e12e8a03194f36a113290ac11d6dc10f3"
+dependencies = [
+ "cc",
+ "tree-sitter",
+]
+
 [[package]]
 name = "tree-sitter-bash"
 version = "0.20.4"
@@ -10846,6 +10855,7 @@ dependencies = [
  "tiny_http",
  "toml",
  "tree-sitter",
+ "tree-sitter-astro",
  "tree-sitter-bash",
  "tree-sitter-beancount",
  "tree-sitter-c",