feat: add brackets.scm

The queries in brackets.scm allow a vim users to jump between
the start and end of a set of closed elements -- string literals,
liquid expressions, etc.

Author: jeffreyguenther

languages/liquid/brackets.scm

@@ -0,0 +1,6 @@
+("{{" @open "}}" @close)
+("{{-" @open "-}}" @close)
+("{%" @open "%}" @close)
+("{%-" @open "-%}" @close)
+("'" @open "'" @close)
+("\"" @open "\"" @close)

languages/liquid/config.toml

@@ -1,5 +1,11 @@
 name = "Liquid"
 grammar = "liquid"
 path_suffixes = ["liquid"]
-
+brackets = [
+    { start = "{{", end = "}}", close = true, newline = false },
+    { start = "{{-", end = "-}}", close = true, newline = false },
+    { start = "{%", end = "%}", close = true, newline = false },
+    { start = "{%-", end = "-%}", close = true, newline = false },
+]
 block_comment = ["{% comment %}", "{% endcomment %}"]
+documentation = { start = "{% doc %}", end = "{% enddoc %}", prefix = " ", tab_size = 1 }