fix: Fix url to the project homepage in package.json (#437)

The old unsecure URL returned a 404. This commit fixes the project
homepage by pointing to the correct URL, taken from GitHub

[ci skip]

package.json

@@ -35,7 +35,7 @@
   ],
   "author": "kenny wong <wowohoo@qq.com>",
   "license": "MIT",
-  "homepage": "http://jaywcjlove.github.io/hotkeys",
+  "homepage": "https://jaywcjlove.github.io/hotkeys-js",
   "repository": {
     "type": "git",
     "url": "https://github.com/jaywcjlove/hotkeys.git"