added textobject support for golang

queries/go/textobjects.scm

@@ -0,0 +1,37 @@
+;; function textobject
+(function_declaration
+  body: (block)? @function.inner) @function.outer
+
+;; method as function textobject
+(method_declaration
+  body: (block)? @function.inner) @function.outer
+
+;; struct and interface declaration as class textobject?
+(type_declaration
+    (type_spec (type_identifier) (struct_type (field_declaration_list (_)?) @class.inner))) @class.outer
+
+(type_declaration
+  (type_spec (type_identifier) (interface_type (method_spec_list (_)?) @class.inner))) @class.outer
+
+;; struct literals as class textobject
+(composite_literal 
+  (type_identifier)? 
+  (struct_type (_))?
+  (literal_value (_)) @class.inner) @class.outer
+
+;; conditionals
+(if_statement
+  alternative: (_ (_) @conditional.inner)?) @conditional.outer
+
+(if_statement
+  consequence: (block)? @conditional.inner)
+
+(if_statement
+  condition: (_) @conditional.inner)
+
+;; blocks
+(_ (block) @block.inner) @block.outer
+;; statements
+(block (_) @statement.outer)
+;; comments
+(comment) @comment.outer