feat: add plugins settings i18n + typing

[marrouchi]

Motivation

In this PR :

• We introduce i18n for plugins
• Enforce typing for plugin settings (arguments)
• Remove dummy plugin (keep it only for unit tests)

Related PRs:

• feat: i18n + enforce setting typing hexabot-plugin-chatgpt#2
• feat: add settings i18n + typing + use chat api hexabot-plugin-gemini#1

How to test:

• Install chatgpt plugin as an example
• Add a block, check the block message form : inputs should be translated (including helper text)
• Test the block

Type of change:

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added unit tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[yassinedorbozgithub]

Hi @marrouchi, i have faced those typescript errors

[IkbelTalebHssan]

Hi,
I had this error when starting the project.

[yassinedorbozgithub]

Tested successfully with Gemini plugin including the updates of this PR : Hexastack/hexabot-plugin-gemini#1
EN:

FR:

LGTM 🚀