Add Codemirror search functionality (#219, #629)#681

Rokt33r merged 2 commits intoBoostIO:masterBoostIO/BoostNote-App:masterfrom

Komediruzecki:feature/add-search-and-replace-in-editorKomediruzecki/BoostNote.next:feature/add-search-and-replace-in-editorCopy head branch name to clipboard