Fix easter egg through CLI (#2542)

sanic/cli/app.py

@@ -192,6 +192,7 @@ Or, a path to a directory to run as a simple HTTP server:
             ssl = ssl[0]
         kwargs = {
             "access_log": self.args.access_log,
+            "coffee": self.args.coffee,
             "debug": self.args.debug,
             "fast": self.args.fast,
             "host": self.args.host,

sanic/cli/arguments.py

@@ -262,6 +262,12 @@ class OutputGroup(Group):
     name = "Output"
 
     def attach(self):
+        self.add_bool_arguments(
+            "--coffee",
+            dest="coffee",
+            default=False,
+            help="Uhm, coffee?",
+        )
         self.add_bool_arguments(
             "--motd",
             dest="motd",