feat: avante repo map rust crate (#628)

crates/avante-repo-map/queries/tree-sitter-ruby-defs.scm

@@ -0,0 +1,16 @@
+;; Capture top-level methods, class definitions, and methods within classes
+(program
+  (class
+    (body_statement
+      (call) @class_call
+      (assignment) @class_assignment
+      (method) @method
+    )
+  ) @class
+)
+(program
+  (method) @function
+)
+(program
+  (assignment) @assignment
+)