patch: fix husky to work with v above 5

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+. "$(dirname -- "$0")/_/husky.sh"
+
+npm run prettify

package.json

@@ -14,6 +14,7 @@
     "url": "[email protected]:balena-io/etcher.git"
   },
   "scripts": {
+    "prepare": "husky install",
     "prettify": "prettier --write lib/**/*.css && balena-lint --fix --typescript typings lib tests forge.config.ts forge.sidecar.ts webpack.config.ts",
     "lint": "npm run prettify && catch-uncommitted",
     "test": "echo 'Only use custom tests; if you want to test locally, use `npm run wdio`' && exit 0",
@@ -24,11 +25,6 @@
     "wdio:e2e": "xvfb-maybe wdio run ./wdio.conf.ts --suite e2e",
     "wdio:ci": "xvfb-maybe wdio run ./wdio.conf.ts --suite ci"
   },
-  "husky": {
-    "hooks": {
-      "pre-commit": "npm run prettify"
-    }
-  },
   "author": "Balena Ltd. <[email protected]>",
   "license": "Apache-2.0",
   "dependencies": {