Added highlights.

queries/highlights.scm

@@ -0,0 +1,32 @@
+;; Numbers.
+(num) @number
+
+;; Function names when defining.
+(funcdef name: (word) @function)
+
+;; Function calls.
+(callexp fn: (word) @function.call)
+
+;; Variables.
+(word) @variable
+
+;; Parameters inside function/lambda.
+(params (word) @variable.parameter)
+
+;; Operators.
+[
+  "+"
+  "-"
+  "*"
+  "/"
+  "="
+] @operator
+
+;; Lambdas.
+"\\" @keyword
+
+;; Parentheses.
+[ "(" ")" ] @punctuation.bracket
+
+;; Commas.
+"," @punctuation.delimiter