feat: add graphql grammar

README.md

@@ -141,6 +141,7 @@ We are looking for maintainers to add more parsers and to write query files for
 - [x] [dart](https://github.com/UserNobody14/tree-sitter-dart) (maintained by @Akin909)
 - [ ] [elm](https://github.com/razzeee/tree-sitter-elm)
 - [x] [fennel](https://github.com/travonted/tree-sitter-fennel) (maintained by @TravonteD)
+- [x] [graphql](https://github.com/bkegley/tree-sitter-graphql) (maintained by @bkegley)
 - [x] [go](https://github.com/tree-sitter/tree-sitter-go) (maintained by @theHamsta, @WinWisely268)
 - [ ] [haskell](https://github.com/tree-sitter/tree-sitter-haskell)
 - [x] [html](https://github.com/tree-sitter/tree-sitter-html) (maintained by @TravonteD)

lua/nvim-treesitter/parsers.lua

@@ -69,6 +69,14 @@ list.go = {
   maintainers = {"@theHamsta", "@WinWisely268"},
 }
 
+list.graphql = {
+  install_info = {
+    url = "https://github.com/bkegley/tree-sitter-graphql",
+    files = { "src/parser.c" },
+  },
+  maintainers = {"@bkegley"},
+}
+
 list.ruby = {
   install_info = {
     url = "https://github.com/tree-sitter/tree-sitter-ruby",