feat(cli): add graceful exit

fastanime/cli/__init__.py

@@ -1,3 +1,5 @@
+import signal
+
 import click
 
 from .. import __version__
@@ -17,6 +19,19 @@ commands = {
 }
 
 
+# handle keyboard interupt
+def handle_exit(signum, frame):
+    from .utils.tools import exit_app
+    from .utils.utils import clear
+
+    clear()
+
+    exit_app()
+
+
+signal.signal(signal.SIGINT, handle_exit)
+
+
 @click.group(
     commands=commands,
     help="A command line application for streaming anime that provides a complete and featureful interface",