ensure we create our token folder on login

Sources/Commands/Login.swift

@@ -20,6 +20,15 @@ extension Seanut {
         var password: String?
 
         mutating func run() async {
+            let seanutCacheFolder = FileManager.default.homeDirectoryForCurrentUser.appendingPathComponent(".seanut/")
+            if !FileManager.default.fileExists(atPath: seanutCacheFolder.absoluteString) {
+                do {
+                    try FileManager.default.createDirectory(at: seanutCacheFolder, withIntermediateDirectories: false)
+                } catch {
+                    fatalError("could not create seanut token cache folder. quitting...")
+                }
+            }
+
             let client = JellyfinClient(
               configuration: Seanut.generateJellyfinConfiguration(url: options.domain.toURL()!)
             )