Add Ringtone and Canned Messages to --export-config and --configure

[pdxlocations]

This would close #427

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 71.42857% with 8 lines in your changes missing coverage. Please review.

Project coverage is 60.13%. Comparing base (c55f1ef) to head (68a2009). Report is 38 commits behind head on master.

Files with missing lines	Patch %	Lines
meshtastic/__main__.py	66.66%	6 Missing :warning:
meshtastic/mesh_interface.py	80.00%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #795      +/-   ##
==========================================
+ Coverage   59.90%   60.13%   +0.22%     
==========================================
  Files          24       24              
  Lines        4163     4187      +24     
==========================================
+ Hits         2494     2518      +24     
  Misses       1669     1669              

Flag	Coverage Δ
unittests	60.13% <71.42%> (+0.22%)	:arrow_up:

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