added license:export script to pre-commit hook

ref #4

.husky/pre-commit

@@ -1,4 +1,5 @@
 #!/bin/sh
 . "$(dirname "$0")/_/husky.sh"
 
-yarn format
+yarn format
+yarn license:export

package.json

@@ -5,9 +5,11 @@
 		"dev": "vite",
 		"build": "vite build",
 		"format": "prettier --write --plugin-search-dir=. ./**/*.html ./**/*.svelte",
-		"prepare": "husky install"
+		"prepare": "husky install",
+		"license:export": "license-exporter --markdown && git stage licenses.md"
 	},
 	"devDependencies": {
+		"@odit/license-exporter": "^0.0.11",
 		"@svitejs/vite-plugin-svelte": "^0.11.1",
 		"@tsconfig/svelte": "^1.0.10",
 		"@types/html-minifier": "^4.0.0",