feat: add groovy support

queries/groovy/highlights.scm

@@ -0,0 +1,51 @@
+(unit
+    (identifier) @variable)
+(string
+    (identifier) @variable)
+
+(escape_sequence) @string.escape
+
+(block
+    (unit
+       (identifier) @namespace))
+
+(func
+    (identifier) @function)
+
+(number) @number
+
+((identifier) @boolean
+  (#any-of? @boolean "true" "false" "True" "False"))
+
+((identifier) @constant
+  (#lua-match? @constant "^[A-Z][A-Z%d_]*$"))
+
+((identifier) @type.definition
+  (#any-of? @type.definition
+    "string"
+    "String"
+    "void"
+    "id"
+    "version"
+    "apply"
+    "implementation"
+    "testImplementation"
+    "androidTestImplementation"
+    "debugImplementation"))
+
+((identifier) @keyword
+  (#any-of? @keyword
+    "static"
+    "class"
+    "def"
+    "import"
+    "new"))
+
+(string) @string
+
+(comment) @comment
+
+(operators) @operator
+(leading_key) @operator
+
+["(" ")" "[" "]" "{" "}"]  @punctuation.bracket

queries/groovy/injections.scm

@@ -0,0 +1 @@
+(comment) @comment