Feat/add config

[matthisholleville]

Closes #

📑 Description

As mentioned here : k8sgpt-ai/k8sgpt#449 & k8sgpt-ai/k8sgpt-operator#113, this pull request adds two important updates to the existing codebase.

1. Documentation Update:

   • Added detailed documentation for the config.v1 module, which includes information about the new ConfigRequest, Cache, and ConfigResponse objects.
   • Explained the purpose and usage of the Config method in the Server service, providing an example usage as well.
   • Updated the overall documentation to include the new configuration-related information.

2. Proto Definition Update:

   • Added the config.v1 module, which contains the definition of the ConfigRequest, Cache, and ConfigResponse messages.
   • Included a new Config method in the Server service, allowing clients to configure the system.
   • The ConfigResponse message now includes a status field to indicate the success or failure of the configuration operation.

✅ Checks

• My pull request adheres to the code style of this project
• My code requires changes to the documentation
• I have updated the documentation as required
• All the tests have passed

ℹ Additional Information