Subgraph(mappings): add ipfs handler

[0xGabi]

No description provided.

[codecov]

Codecov Report

Merging #21 (ca66f43) into master (b17c818) will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master     #21   +/-   ##
======================================
  Coverage    5.89%   5.89%           
======================================
  Files          50      50           
  Lines        1391    1391           
  Branches      317     317           
======================================
  Hits           82      82           
  Misses       1309    1309           

Flag	Coverage Δ
unittests	5.89% <ø> (ø)

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