message: Add hints and links to ebook
diff: @@ -542,8 +542,8 @@ function createChallenges () {
  category: 'Weak Security Mechanism',
  description: 'Forge an essentially unsigned JWT token that impersonates the (non-existing) user <i>jwtn3d@juice-sh.op</i>.',
  difficulty: 4,
  - hint: addHint(''),
  - hintUrl: addHint(''),
  + hint: addHint('This challenge exploits a weird option that is supported when signing tokens with JWT.'),
  + hintUrl: addHint('https://bkimminich.gitbooks.io/pwning-owasp-juice-shop/content/part2/weak-security.html#forge-an-essentially-unsigned-jwt-token'),
  solved: false
  }).then(challenge => {
  challenges.jwtTier1Challenge = challenge
  @@ -553,8 +553,8 @@ function createChallenges () {
  category: 'Weak Security Mechanism',
  description: 'Forge an almost properly RSA-signed JWT token that impersonates the (non-existing) user <i>rsa_lord@juice-sh.op</i>.',
  difficulty: 5,
  - hint: addHint(''),
  - hintUrl: addHint(''),
  + hint: addHint('This challenge is explicitly not about acquiring the RSA private key used for JWT signing.'),
  + hintUrl: addHint('https://bkimminich.gitbooks.io/pwning-owasp-juice-shop/content/part2/weak-security.html#forge-an-almost-properly-rsa-signed-jwt-token'),
  solved: false
  }).then(challenge => {
  challenges.jwtTier2Challenge = challenge
  