[Feature]: VSCode intellisense for configuration/styling metadata

[kpanot]

Context

As a developper I would like to have help from my IDE to add metadata to the different modules of Otter.

Proposal

• [ ] Intellisense for Configuration metadata
  • [x] Support of all configuration tags
  • [ ] Share constants for tag names between packages extractors, eslint-plugin and vscode extension
  • [x] https://github.com/AmadeusITGroup/otter/issues/625
• [x] Intellisense for Styling metadata https://github.com/AmadeusITGroup/otter/pull/1175
• [x] EsLint plugin rule to validate configuration metadata
  • [x] https://github.com/AmadeusITGroup/otter/issues/1119
  • [x] Support of @o3rWidget
    • [x] https://github.com/AmadeusITGroup/otter/issues/893
    • [x] https://github.com/AmadeusITGroup/otter/issues/896
  • [x] Change o3rCategories XML format to JSDoc format
    • [x] Provide migration script

[matthieu-crouzet]

ESLint rule for @o3rWidget and @o3rWidgetParam https://github.com/AmadeusITGroup/otter/pull/893

[matthieu-crouzet]

Intellisense for @o3rWidget and @o3rWidgetParam https://github.com/AmadeusITGroup/otter/pull/896