fix(scripts): add Git hook for Windows

Create an equivalent of scripts/hooks for non-WSL Windows. This fixes
errors in 'bun install'.

Author: strager

scripts/hooks.bat

@@ -0,0 +1,16 @@
+@echo off
+
+if not exist ".git" (
+    exit /b 0
+)
+
+if not exist ".git\hooks" (
+    mkdir ".git\hooks"
+)
+
+(
+    echo #!/bin/sh
+    echo bun run typecheck
+) > ".git\hooks\pre-push"
+
+echo ✅ Pre-push hook installed