[docs] Fix invalid links to the plugins

[dmytro587]

1. Link to the fs plugin -> https://github.com/tauri-apps/plugins-workspace/tree/v2/plugins/fs
2. Link to the fs plugin -> https://github.com/tauri-apps/plugins-workspace/tree/v2/plugins/fs
3. Link to the http plugin -> https://github.com/tauri-apps/plugins-workspace/tree/v2/plugins/http

This list will be expanded if I find anything else

[TarunVishwakarma1]

Is this issue fixed?

[FabianLars]

doesn't look like it

[TarunVishwakarma1]

can you assign it to me. I'll work on it

[TarunVishwakarma1]

Hey! that issue is fixed now. Please verify