Improvements for events in info panel (#72)

* Improved visuals of events panel, handle family events

* Create separate package for details panel

* Improved handling of multiple event notes

src/translations/pl.json

@@ -54,6 +54,8 @@
   "gedcom.TITL": "Tytuł",
   "gedcom.WWW": "Strona WWW",
   "gedcom._UPD": "Ostatnia aktualizacja",
+  "gedcom.MARR": "Małżeństwo",
+  "gedcom.DIV": "Rozwód",
   "date.abt": "około",
   "date.cal": "wyliczone",
   "date.est": "oszacowane",