Bridge getRouterVersion & Monitor compatibility mode

[eigen-value]

This PR introduces the features:

• Bridge getRouterVersion method to get the current version of the router if $/version is provided
• Monitor compatibility mode uses Bridge->call to write if router is older version

[github-actions]

Memory usage change @ 6bbdefc

Board	flash	%	RAM for global variables	%
arduino:zephyr:unoq	🔺 +132 - +868	+0.01 - +0.04	🔺 +8 - +8	0.0 - 0.0

Click for full report table

Board	examples/client flash	%	examples/client RAM for global variables	%	examples/clientSSL flash	%	examples/clientSSL RAM for global variables	%	examples/hci flash	%	examples/hci RAM for global variables	%	examples/monitor flash	%	examples/monitor RAM for global variables	%	examples/server flash	%	examples/server RAM for global variables	%	examples/simple_bridge flash	%	examples/simple_bridge RAM for global variables	%	examples/test flash	%	examples/test RAM for global variables	%	examples/udp_ntp_client flash	%	examples/udp_ntp_client RAM for global variables	%
arduino:zephyr:unoq	496	0.03	8	0.0	504	0.03	8	0.0	132	0.01	8	0.0	868	0.04	8	0.0	508	0.03	8	0.0	144	0.01	8	0.0	836	0.04	8	0.0	488	0.02	8	0.0

Click for full report CSV

Board,examples/client<br>flash,%,examples/client<br>RAM for global variables,%,examples/clientSSL<br>flash,%,examples/clientSSL<br>RAM for global variables,%,examples/hci<br>flash,%,examples/hci<br>RAM for global variables,%,examples/monitor<br>flash,%,examples/monitor<br>RAM for global variables,%,examples/server<br>flash,%,examples/server<br>RAM for global variables,%,examples/simple_bridge<br>flash,%,examples/simple_bridge<br>RAM for global variables,%,examples/test<br>flash,%,examples/test<br>RAM for global variables,%,examples/udp_ntp_client<br>flash,%,examples/udp_ntp_client<br>RAM for global variables,%
arduino:zephyr:unoq,496,0.03,8,0.0,504,0.03,8,0.0,132,0.01,8,0.0,868,0.04,8,0.0,508,0.03,8,0.0,144,0.01,8,0.0,836,0.04,8,0.0,488,0.02,8,0.0

[cmaglie]

👍🏼