cleanup and update readme

config/config.yml

@@ -1,8 +1,8 @@
 web_port: 5000
 
 mqtt:
-  host: mqtt.blakeshome.com
-  topic_prefix: cameras
+  host: mqtt.server.com
+  topic_prefix: frigate
 
 cameras:
   back:
@@ -10,18 +10,40 @@ cameras:
       user: viewer
       host: 10.0.10.10
       port: 554
+      # values that begin with a "$" will be replaced with environment variable
       password: $RTSP_PASSWORD
       path: /cam/realmonitor?channel=1&subtype=2
     regions:
       - size: 350
         x_offset: 0
         y_offset: 300
-        min_person_size: 5000
+        min_person_area: 5000
       - size: 400
         x_offset: 350
         y_offset: 250
-        min_person_size: 2000
+        min_person_area: 2000
       - size: 400
         x_offset: 750
         y_offset: 250
-        min_person_size: 2000
+        min_person_area: 2000
+  back2:
+    rtsp:
+      user: viewer
+      host: 10.0.10.10
+      port: 554
+      # values that begin with a "$" will be replaced with environment variable
+      password: $RTSP_PASSWORD
+      path: /cam/realmonitor?channel=1&subtype=2
+    regions:
+      - size: 350
+        x_offset: 0
+        y_offset: 300
+        min_person_area: 5000
+      - size: 400
+        x_offset: 350
+        y_offset: 250
+        min_person_area: 2000
+      - size: 400
+        x_offset: 750
+        y_offset: 250
+        min_person_area: 2000