chore(apps): update some last icons (#3160)

* chore(apps): update some last icons

* add more ignored works in spellcheck

* add some docs

charts/incubator/lancache-dns/Chart.yaml

@@ -7,7 +7,7 @@ description: DNS Docker service for a steamcache.
 type: application
 deprecated: false
 home: https://github.com/truecharts/apps/tree/master/charts/incubator/lancache-dns
-icon: https://truecharts.org/img/appicons/lancache-dns.png
+icon: https://truecharts.org/img/chart-icons/lancache-dns.png
 keywords:
   - lancache-dns
   - dns