Support angular 17

Breaking Change:

• We remove static encryption key, from now user able to set their custom encryption key on demand. So from you you have to provide key as bellow (from Angular 17),

providers: [
    ....
    CryptoBrowserStorageService,
    { provide: CRYPTO_HASH_KEY, useValue: 'YOUR_KEY_HERE' }
  ]

What's Changed

• Update README.md by @sefatanam in #15
• user must able to set custom encryption key by @sefatanam in #17

Full Changelog: v2.1.0...v4.0.2