update readmes

README.md

 # ROS1 Bridge Custom Interfaces w/ Humble on 22.04 (jammy)
 
 
+1. run `./run.sh -b` to build the docker image, copy custom msgs into the docker image and compile ros1 bridge
+
+2. `./run.sh` to launch the container and interract with bridge, ros1 and ros2.

custom_bridge_ros1_ws/src/custom_bridge_msgs/README.md

-# decmcts_msgs
+# custom_bridge_msgs
 
-## decmcts_msgs for ros1 (and ros1_bridge)
+## custom_bridge_msgs for ros1 (and ros1_bridge)
 
 mount this directory into custom jammy docker image to bridge custom interfaces on 22.04