update readme

tasks/mediamtx.yaml

@@ -1,6 +1,6 @@
 ---
 
-# mediamtx automatically makes video files from rtmp streams
+# mediamtx is for monitoring the capture
 
 - name: MediaMTX - stop mediamtx_service if running
   systemd:
@@ -40,6 +40,7 @@
     mode: '0755'
     remote_src: yes
 
+# this loops over a bunch of vars and modifies the config file
 - name: MediaMTX - update configs
   lineinfile: 
     path: "{{ mediamtx_working_folder }}/mediamtx.yml"