docs: mention that jq is pre-installed on nwer macOS versions

Author: chrisgrieser

README.md

@@ -317,6 +317,7 @@ require("scissors").setup {
 	-- `yq`/`jq` ensure formatted & sorted json files, which is relevant when
 	-- you version control your snippets. To use a custom formatter, set to a
 	-- list of strings, which will then be passed to `vim.system()`.
+	-- TIP: `jq` is already pre-installed on newer versions of macOS.
 	---@type "yq"|"jq"|"none"|string[]
 	jsonFormatter = "none",