RTMClient.start options is optional

[christophehurpeau]

Summary

Update typescript RTMClient.start options to be optional

Requirements (place an x in each [ ])

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

[CLAassistant]

All committers have signed the CLA.

[aoberoi]

thanks!

[codecov]

Codecov Report

Merging #567 into master will increase coverage by 2.66%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #567      +/-   ##
==========================================
+ Coverage   81.72%   84.38%   +2.66%     
==========================================
  Files           6        6              
  Lines         279      333      +54     
  Branches       43       52       +9     
==========================================
+ Hits          228      281      +53     
- Misses         36       39       +3     
+ Partials       15       13       -2

Impacted Files	Coverage Δ
src/WebClient.ts	88% <0%> (+3.75%)	⬆️

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