Add search bar for room messages

[Shivam-apna]

we can use a package vue-text-highlight for this

[antoine92190]

It's not that simple as there is probably backend pagination to load messages, so we also need to add a way to trigger pagination programmatically when searching messages. This is a good idea, but not easy to implement.

[amoslai5128]

It's not that simple as there is probably backend pagination to load messages, so we also need to add a way to trigger pagination programmatically when searching messages. This is a good idea, but not easy to implement.

How about we implement the Agonia plugin in firebase to do the search?