feat(snl): add parser and queries

runtime/queries/snl/indents.scm

@@ -0,0 +1,61 @@
+[
+  (field_declaration_list)
+  (state_set)
+  (state)
+  (block)
+  (member_decl)
+] @indent.begin
+
+(block
+  "}" @indent.end)
+
+[
+  "else"
+  "}"
+] @indent.branch
+
+(call_expression) @indent.begin
+
+(call_expression
+  ")" @indent.end)
+
+(if_statement
+  condition: (_) @indent.begin)
+
+(if_statement
+  consequence: (_) @_consequence
+  (#not-kind-eq? @_consequence block)) @indent.begin
+
+(else_statement
+  consequence: (_) @_consequence
+  (#not-kind-eq? @_consequence block)) @indent.begin
+
+(while_statement
+  body: (statement
+    (_) @_body)
+  (#not-kind-eq? @_body block)) @indent.begin
+
+(for_statement
+  body: (statement
+    (_) @_body)
+  (#not-kind-eq? @_body block)) @indent.begin
+
+(init_declarator) @indent.begin
+
+(transition
+  condition: (_) @indent.begin)
+
+[
+  "#define"
+  "#ifdef"
+  "#if"
+  "#else"
+  "#endif"
+] @indent.zero
+
+[
+  (preproc_arg)
+  (string_literal)
+] @indent.ignore
+
+(comment) @indent.auto