Provide a way similar Option-O to search URL presented in vault.
URL is referring to things like:
[Obsidian Forum](https://forum.obsidian.md/)
[Obsidian Community](https://forum.obsidian.md/)
The search will match the URL label (e.g. obsidian, forum, community) or URL. Press enter can open the URL in default browser. Press shift-Enter (or other shortcut) will reveal URL in file if there is one match.