Update bot.py

add hosting methods: screen and systemd

Author: lorenzo132

bot.py

@@ -108,6 +108,12 @@ def hosting_method(self) -> HostingMethod:
         if os.environ.get("pm_id"):
             return HostingMethod.PM2
 
+        if os.environ.get("INVOCATION_ID"):
+            return HostingMethod.SYSTEMD
+
+        if os.environ.get("TERM"):
+            return HostingMethod.SCREEN
+
         return HostingMethod.OTHER
 
     def startup(self):