tree-sitter: Add tree-sitter-scheme

pkgs/development/tools/parsing/tree-sitter/grammars/default.nix

@@ -70,6 +70,7 @@
   tree-sitter-ruby = lib.importJSON ./tree-sitter-ruby.json;
   tree-sitter-rust = lib.importJSON ./tree-sitter-rust.json;
   tree-sitter-scala = lib.importJSON ./tree-sitter-scala.json;
+  tree-sitter-scheme = lib.importJSON ./tree-sitter-scheme.json;
   tree-sitter-scss = lib.importJSON ./tree-sitter-scss.json;
   tree-sitter-sparql = lib.importJSON ./tree-sitter-sparql.json;
   tree-sitter-supercollider = lib.importJSON ./tree-sitter-supercollider.json;

pkgs/development/tools/parsing/tree-sitter/grammars/tree-sitter-scheme.json

@@ -0,0 +1,11 @@
+{
+  "url": "https://github.com/6cdh/tree-sitter-scheme",
+  "rev": "a1d2233f4e5498bb305858323c93525e1dd165c0",
+  "date": "2022-04-07T21:19:08+08:00",
+  "path": "/nix/store/ljq285gnl26w8jg1ahdhxk2xa4l2s3vn-tree-sitter-scheme",
+  "sha256": "0ggh2jpgnnakhsry12m31f5ranjhgkkcxp5jhsqxw6ac778n28h9",
+  "fetchLFS": false,
+  "fetchSubmodules": false,
+  "deepClone": false,
+  "leaveDotGit": false
+}

pkgs/development/tools/parsing/tree-sitter/update.nix

@@ -312,6 +312,10 @@ let
       orga = "MichaHoffmann";
       repo = "tree-sitter-hcl";
     };
+    "tree-sitter-scheme" = {
+      orga = "6cdh";
+      repo = "tree-sitter-scheme";
+    };
   };
 
   allGrammars =