add note about sqlite file browser and/or kick the build

Author: designatednerd

Playgrounds/ApolloMacPlayground.playground/Pages/SQLiteCache.xcplaygroundpage/Contents.swift

@@ -62,5 +62,6 @@ DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
 PlaygroundPage.current.needsIndefiniteExecution = true
 
 //: Once "FINISHED" prints, you can open the database file at the path printed out with "File path" and examine it to see the persisted data.
+//: If you don't already have a SQLite file browser, you can try the free one at https://sqlitebrowser.org/
 
 //: [Next](@next)