[YOM-454] max node limit and Graph cache optimization

[HananoshikaYomaru]

Some people computer might have lower performance. We allows people to set the max node number. If the graph is bigger than node size number, the graph will not be rendered at all. They can change the query and make sure that their computer can handle it.

_{From SyncLinear.com | YOM-454}

[HananoshikaYomaru]

https://github.com/HananoshikaYomaru/obsidian-3d-graph/blob/1b1830799a111c65977988096ee6ca78551508d9/src/main.ts#L130

We might need to optimized this as well