update .env.example

.env.example

@@ -1,3 +1,8 @@
 ANDROID_ADDRESS=192.168.178.32:5555
 SCREENSHOT_PATH=Test
 RAMDRIVE_PATH=
+
+# dungeon settings
+FIRE_VS_EARTH=earth
+SWAP_TANK_AT_LOW_HEALTH=true
+FIRST_DEATH_STOP=true