chore: add pre commit hook

.hooks/pre-commit.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+luacheck . || exit 1
+stylua lua/**/*.lua --check || exit 1

scripts/setup-hooks.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+ln -sf ../../.hooks/pre-commit.sh .git/hooks/pre-commit