That is the new nbs mainlight config which replaced the old tasmota config of my light switch

light_switch.yaml

@@ -0,0 +1,50 @@
+esphome:
+  name: nbs-mainlight
+
+esp8266:
+  board: esp01_1m
+
+wifi:
+  ssid: !secret wifi_ssid
+  password: !secret wifi_password
+
+api:
+  encryption:
+    key: !secret ml_key
+
+ota:
+  password: !secret ml_password
+
+logger:
+
+binary_sensor:
+  - platform: gpio
+    pin:
+      number: GPIO0
+      mode:
+        input: true
+        pullup: true
+      inverted: true
+    id: button_1
+    on_press:
+      then:
+        - light.toggle: light_1
+
+  - platform: status
+    name: "T1 Status"
+
+output:
+  - platform: gpio
+    pin: GPIO12
+    id: relay_1
+
+light:
+  - platform: binary
+    name: Main Light
+    id: light_1
+    output: relay_1
+
+status_led:
+  pin:
+    number: GPIO13
+    inverted: no