Add build flags

prebuilt/nspanel_esphome_prebuilt.yaml

@@ -26,6 +26,11 @@ packages:
   core_package: !include ../esphome/nspanel_esphome_core.yaml
   upload_tft_package: !include ../esphome/nspanel_esphome_addon_upload_tft.yaml
 
+esphome:
+  platformio_options:
+    build_flags:
+      - -D NSPANEL_HA_BLUEPRINT_PREBUILT
+
 api:
   services:
     - service: firmware_update
@@ -88,6 +93,7 @@ ota:
   password: !remove
 
 ota_http:
+  exclude_certificate_bundle: true
 
 select:
   - id: !extend tft_file_model