Make application and logo configurable (#336)

* Adds settings for server name and logo

* Implements ApplicationLogo and replaces site name based on settings

* Refactors component for changing the company logo

* Removes unused variable

* Uses message instead of statusMessage

* Replaces favicon with logo if set

server/prisma/models/app.prisma

@@ -8,6 +8,8 @@ model ApplicationSettings {
     saveSlotHistoryLimit Int   @default(3)
 
     showGamePanelTextDecoration Boolean @default(true)
+    serverName String @default("Drop")
+    mLogoObjectId String?
 }
 
 enum Platform {