feat: add connection-change event

[josex2r]

No description provided.

[codecov]

Codecov Report

Merging #121 (f60958b) into master (d3e58a1) will not change coverage.
The diff coverage is 100.00%.

❗ Current head f60958b differs from pull request most recent head acd7297. Consider uploading reports for the commit acd7297 to get more accurate results

@@            Coverage Diff            @@
##            master      #121   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            2         2           
  Lines           98       100    +2     
=========================================
+ Hits            98       100    +2     

Impacted Files	Coverage Δ
addon/services/network.js	100.00% <100.00%> (ø)

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