Implement a caching mechanism for retrieving and storing channels information

[DiTsi]

Create cache for channels same as users cache.

Cache requirements

The cache should store information for:

• All channels used in route

Directory Structure (e.g.)

data/
└ cache/
    └ channels/
        <channel_id>.json

Fields

Channel fields we should store:

• name

Config

No changes are required in configuration files or environment variables.