[FEATURE]: slash command for reload

[wojons]

Feature hasn't been suggested before.

• [x] I have verified this feature I'm about to request hasn't been suggested before.

Describe the enhancement you want to request

A /reload that reloads config files like opencode.jsonc of global and project level and also .opencode/ this way without having to close and open the tui just able to reload easily could be even better done when a /compact is runnning