* repeater and room server build_src_filter fixes

variants/wio-e5-dev/platformio.ini

@@ -20,7 +20,7 @@ build_flags = ${lora_e5.build_flags}
   -D ADVERT_NAME='"WIO-E5 Repeater"'
   -D ADMIN_PASSWORD='"password"'
 build_src_filter = ${lora_e5.build_src_filter}
-  +<../examples/simple_repeater/main.cpp>
+  +<../examples/simple_repeater/*.cpp>
 
 [env:wio-e5_companion_radio_usb]
 extends = lora_e5