issues (bug report): include a checkbox for battery powered WiFi

Users do not read the README in full, or ignore the advice that
battery powered WiFi devices cannot be supported locally. Reject their
reports, or at least if they lie on the form they cannot complain when
their issue is closed without feedback.

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -66,6 +66,8 @@ body:
           required: true
         - label: This report is for tuya-local, **not** for localtuya, the Tuya app or cloud.
           required: true
+        - label: The device this issue is about is externally powered, or connecting via a hub (battery powered WiFi devices are NOT supported by this integration).
+          required: true
         - label: I have checked the latest released version of tuya-local
           required: true
         - label: |