feat(highlight): migrate to tree-house with Helix queries

Replace tree-sitter-highlight dep with tree-house crate from Helix
editor. Add ropey dependency required by tree-house.

Reorganize query files from Helix's runtime/queries/ for all 14
supported languages:
- bash, c, css, go, html, javascript, json, markdown, nix, python,
  rust, toml, typescript, yaml
- Include ecma, _javascript, _typescript base dirs for JS/TS inheritance
- Copy highlights.scm, injections.scm, locals.scm where available

This commit establishes the foundation; highlight.rs implementation
will follow in subsequent commits.

queries/c/locals.scm

@@ -0,0 +1,38 @@
+;; Scopes
+(function_definition) @local.scope
+
+;; Definitions
+
+; Parameters
+; Up to 6 layers of declarators
+(parameter_declaration
+  (identifier) @local.definition.variable.parameter)
+(parameter_declaration
+  (_
+    (identifier) @local.definition.variable.parameter))
+(parameter_declaration
+  (_
+    (_
+      (identifier) @local.definition.variable.parameter)))
+(parameter_declaration
+  (_
+    (_
+      (_
+        (identifier) @local.definition.variable.parameter))))
+(parameter_declaration
+  (_
+    (_
+      (_
+        (_
+          (identifier) @local.definition.variable.parameter)))))
+(parameter_declaration
+  (_
+    (_
+      (_
+        (_
+          (_
+            (identifier) @local.definition.variable.parameter))))))
+
+;; References
+
+(identifier) @local.reference