Add support for default_action on element #36

[sgasser]

Facebook documentation: https://developers.facebook.com/docs/messenger-platform/reference/template/generic/#elements

[codecov]

Codecov Report

Merging #60 into master will increase coverage by 0.16%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master      #60      +/-   ##
============================================
+ Coverage      69.4%   69.57%   +0.16%     
- Complexity      367      368       +1     
============================================
  Files            33       33              
  Lines           902      907       +5     
============================================
+ Hits            626      631       +5     
  Misses          276      276

Impacted Files	Coverage Δ	Complexity Δ
src/Extensions/Element.php	87.17% <100%> (+1.88%)	15 <1> (+1)	⬆️

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[mpociot]

Do we have to change the API version of the facebook API to make use of this field?

[sgasser]

Nope, it works with the API version 2.6 👍