Switch Travis to Github Actions.

[maleadt]

No description provided.

[codecov]

Codecov Report

Merging #34 (c427ce3) into master (becf13f) will decrease coverage by 13.33%.
The diff coverage is 62.96%.

@@             Coverage Diff             @@
##           master      #34       +/-   ##
===========================================
- Coverage   76.19%   62.85%   -13.34%     
===========================================
  Files           2        3        +1     
  Lines          21       35       +14     
===========================================
+ Hits           16       22        +6     
- Misses          5       13        +8     

Impacted Files	Coverage Δ
src/Adapt.jl	100.00% <ø> (+33.33%)	⬆️
src/base.jl	25.00% <ø> (-52.78%)	⬇️
src/wrappers.jl	62.96% <62.96%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update b8c8637...c427ce3. Read the comment docs.