Musixmatch Invalid Token Alert, better token input, Overwrite Configuration Option

Sources/EeveeSpotify/Models/Extensions/String+Extension.swift

@@ -44,4 +44,19 @@ extension String {
                 withTemplate: ""
             )
     }
+    
+    var hexadecimal: Data? {
+        var data = Data(capacity: count / 2)
+        
+        let regex = try! NSRegularExpression(pattern: "[0-9a-f]{1,2}", options: .caseInsensitive)
+        regex.enumerateMatches(in: self, range: NSRange(startIndex..., in: self)) { match, _, _ in
+            let byteString = (self as NSString).substring(with: match!.range)
+            let num = UInt8(byteString, radix: 16)!
+            data.append(num)
+        }
+        
+        guard data.count > 0 else { return nil }
+        
+        return data
+    }
 }