treat jinja as comments in hcl

make_grammar.js

@@ -349,6 +349,7 @@ module.exports = function make_grammar(dialect) {
       comment: ($) =>
         token(
           choice(
+            seq("{%", /.*/),
             seq("#", /.*/),
             seq("//", /.*/),
             seq("/*", /[^*]*\*+([^/*][^*]*\*+)*/, "/"),

src/grammar.json

@@ -1695,6 +1695,19 @@
       "content": {
         "type": "CHOICE",
         "members": [
+          {
+            "type": "SEQ",
+            "members": [
+              {
+                "type": "STRING",
+                "value": "{%"
+              },
+              {
+                "type": "PATTERN",
+                "value": ".*"
+              }
+            ]
+          },
           {
             "type": "SEQ",
             "members": [