feat: add an example locals query

This will be the guide for the implementation of locals extraction,
which is treesitters name of definition/scope.

queries/lua/locals.scm

@@ -0,0 +1,45 @@
+;;; DECLARATIONS AND SCOPES
+
+;; Variable and field declarations
+((variable_declarator
+   (identifier) @definition)
+  (set! kind "v"))
+
+((variable_declarator
+   (field_expression object:(*) @definition.associated (property_identifier) @definition))
+  (set! kind "v"))
+
+;; Parameters
+((local_function
+   (parameters (identifier) @definition))
+  (set! kind "v"))
+((function
+   (parameters (identifier) @definition))
+  (set! kind "v"))
+
+;; Function definitions
+;; Functions definitions creates both a definition and a new scope
+((function
+   (function_name_field
+     object: (identifier) @definition.associated
+     (property_identifier) @definition)) @scope
+  (set! kind "m"))
+
+((function
+   (function_name (identifier) @definition)) @scope
+  (set! kind "f"))
+
+((local_function
+   (identifier) @definition) @scope
+  (set! kind "f"))
+
+((if_statement) @scope)
+((for_in_statement) @scope)
+((repeat_statement) @scope)
+;; Loops
+((loop_expression
+   (identifier) @definition)
+  (set! kind "v"))
+
+;;; REFERENCES
+((identifier) @reference)