Update package.json "License" added, fixed

[miguelgargallo]

Fixing the warning from yarn run build:

miguelgargallo@host HOME p/docus-docs-starter (main)
$ yarn run build
yarn run v1.22.19
warning package.json: No license field
$ nuxi build .docs/
Nuxi 3.3.3                                                                  12:17:55
Nuxt 3.3.3 with Nitro 2.3.3                                                 12:17:55

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Name	Status	Preview	Updated (UTC)
docus	✅ Ready (Inspect)	Visit Preview	Apr 19, 2023 10:22am

[miguelgargallo]

Legal protection: By adding a license, such as the MIT license, you can protect your code from being used without your permission. The MIT license allows others to use and modify your code, but they must give you credit and not hold you liable for any damages.

Clear ownership: Adding the author's name to the license ensures that there is no ambiguity about who created the code and who owns it. This is particularly important if the code is used in a commercial context or if there are multiple contributors to the project.

Community engagement: By contributing your code with a clear license and authorship information, you are making it easier for others to use and contribute to your project. This can lead to a more active and engaged community, which can lead to more contributions, feedback, and improvements to your code.