make it clear secrets are dummy ones

Author: f18m

secrets.yaml

@@ -3,8 +3,8 @@ wifi_ssid: "Some-SSID"
 wifi_password: "supersecretpassword"
 # Encryption key is generated by ESPHome for secure communication with Home Assistant,
 # this needs to be overridden in each instance of the device/package
-encryption_key: "I3R5Nv3wkiOT85A1hLs1PZZB3orL15TB9W6K6Jc9tmE="
+encryption_key: "DEADbeefDEADbeefDEADbeefDEADbeefDEADbeefDEAD"
 # OTA password for over-the-air updates
-ota_password: "55feed1a933b5b324b482cf688b88ce9"
+ota_password: "deadbeefdeadbeefdeadbeefdeadbeef"
 # Wi-Fi Access Point password for fallback hotspot
-wifi_ap_password: "cxjpHijNRvL5"
+wifi_ap_password: "deadbeefdead"