feat(bot): ✨ Send a message to the user when they find an easter egg.

payphone/cogs/easter/__init__.py

@@ -0,0 +1,10 @@
+import enum
+
+
+class EasterEggCommand(enum.IntFlag):
+    """Flags representing the easter eggs.
+    
+    This is used to keep track of which easter eggs did the user find."""
+
+    CATMASK = 1
+    USERPHONE = 2