feat: Add i18n-context-service to inject custom contexts

[jurienhamaker]

Currently I am working on a project that has a custom request scope.
Similair how this package provides rpc, graphql & http out of the box. This will allow the user to add custom contexts and functions to get the context of said custom context.

I do need some help with the I18nLang decorator, since I have no clue how I could inject the service into a paramDecorator.

Same for the tests, any suggestions are welcome.

[jurienhamaker]

@toonvanstrijp Have you had any time to look at this yet?

[toonvanstrijp]

@jurienhamaker I'll take a look at it right now ;)

[coveralls]

Coverage decreased (-0.8%) to 90.755% when pulling ec910c9 on jurienhamaker:feature/custom-context into 8b998ab on toonvanstrijp:main.

[toonvanstrijp]

@jurienhamaker looks good so far, the only thing that I'm not sure about yet is how to make the I18nLang decorator work.

[toonvanstrijp]

@jurienhamaker @jurienhamaker alright I have a potential solution. In the i18n-language.interceptor.ts we get the context object and put the i18nService and i18nLang on there. But we can also set things on the nestjs context so: context.i18nCustomContexts (not the ctx one). Then inside the parameterDecorator we can access them by doing context.i18nCustomContexts.

[SocketSomeone]

@toonvanstrijp Any updates?

[rubiin]

#489 #479 related

[rubiin]

@toonvanstrijp can you look on this one on your free time. Since this is older and almost mergeable I would like your input. This will help close few issue

[sawa-ko]

Hey @toonvanstrijp, can you check this pull request please!? 🙏

[sawa-ko]

Or you @rubiin?

[rubiin]

plz fix the merge conflicts

[BARTlab]

can you fix the conflicts and accept the changes to update the version? or can I do this in your pr?

[rubiin]

@BARTlab go ahead

[SocketSomeone]

@jurienhamaker you're welcome!