Add extend-indented and stop-extend captures for indent queries.

Improve and re-enable python indent queries.

runtime/queries/python/indents.scm

@@ -0,0 +1,58 @@
+[
+  (list)
+  (tuple)
+  (dictionary)
+  (set)
+
+  (if_statement)
+  (for_statement)
+  (while_statement)
+  (with_statement)
+  (try_statement)
+  (import_from_statement)
+
+  (parenthesized_expression)
+  (generator_expression)
+  (list_comprehension)
+  (set_comprehension)
+  (dictionary_comprehension)
+
+  (tuple_pattern)
+  (list_pattern)
+  (argument_list)
+  (parameters)
+  (binary_operator)
+
+  (function_definition)
+  (class_definition)
+] @indent
+
+[
+  (if_statement)
+  (for_statement)
+  (while_statement)
+  (with_statement)
+  (try_statement)
+
+  (function_definition)
+  (class_definition)
+] @extend-indented
+
+[
+  (return_statement)
+  (break_statement)
+  (continue_statement)
+  (raise_statement)
+  (pass_statement)
+] @stop-extend
+
+[
+  ")"
+  "]"
+  "}"
+] @outdent
+(elif_clause
+  "elif" @outdent)
+(else_clause
+  "else" @outdent)
+