feat: changelog improvements

[aaarichter]

Changelog Improvements

• group PRs and orphan commits into categories
• remove individual PR commits. This can be restored with changelog.verbose nlm config.
• detect & highlight dependency updates in PR subject e.g chore: update nlm@5.2.0
• add changelog.omit nlm config to omit commit types

{
  "nlm": {
    "changelog": {
      "omit": ["build", "ci"]  
    }
  }
}

• add changelog.verbose nlm config to render PR's commits

{
  "nlm": {
    "changelog": {
      "verbose": true. // Default: false
    }
  }
}

• adjust changelog layout similar to https://github.com/babel/babel/blob/main/CHANGELOG.md
  • remove bold emphasis on: angular prefix, user
  • move PR id & link to the beginning
  • add v before version
  • wrap release date and user into (...)

Example:

---

v7.1.0 (2018-09-17)

🚀 New Features

• #1 feat: something (@someone)

🔼 Dependencies

• 7654321 chore: update nlm@5.2.x

🏡 Internal

• 1234567 build: something
• 1234567 ci: something
• 1234567 test: something
• 1234567 chore: something
• #2 PR without angluar prefix (@someone)

[aotarola]

💚