Create data feed object

[shawnlinxl]

No description provided.

[codecov-commenter]

Codecov Report

Merging #5 into master will decrease coverage by 53.70%.
The diff coverage is 32.55%.

@@             Coverage Diff              @@
##            master       #5       +/-   ##
============================================
- Coverage   100.00%   46.29%   -53.71%     
============================================
  Files            1        2        +1     
  Lines           14       54       +40     
============================================
+ Hits            14       25       +11     
- Misses           0       29       +29     

Flag	Coverage Δ
#unittests	46.29% <32.55%> (-53.71%)	⬇️

Impacted Files	Coverage Δ
pyback/feed.py	0.00% <0.00%> (ø)
pyback/strategy.py	92.59% <87.50%> (-7.41%)	⬇️

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