feat!: drop modules, general refactor and cleanup

runtime/queries/cue/locals.scm

@@ -0,0 +1,31 @@
+; Scopes
+[
+  (source_file)
+  (field)
+  (for_clause)
+] @local.scope
+
+; References
+(identifier) @local.reference
+
+; Definitions
+(import_spec
+  path: (string) @local.definition.import)
+
+(field
+  (label
+    (identifier) @local.definition.field))
+
+(package_identifier) @local.definition.namespace
+
+(for_clause
+  (identifier) @local.definition.var
+  (expression))
+
+(for_clause
+  (identifier)
+  (identifier) @local.definition.var
+  (expression))
+
+(let_clause
+  (identifier) @local.definition.var)