extractors/iqiyi: Add support

[iawia002]

No description provided.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@e9890d8). Click here to learn what that means.
The diff coverage is 67.77%.

@@            Coverage Diff            @@
##             master       #7   +/-   ##
=========================================
  Coverage          ?   79.44%           
=========================================
  Files             ?       11           
  Lines             ?      472           
  Branches          ?        0           
=========================================
  Hits              ?      375           
  Misses            ?       85           
  Partials          ?       12

Impacted Files	Coverage Δ
parser/parser.go	11.11% <0%> (ø)
utils/utils.go	71.64% <0%> (ø)
extractors/youku.go	94.82% <100%> (ø)
extractors/youtube.go	89.79% <100%> (ø)
extractors/pixivision.go	100% <100%> (ø)
extractors/bilibili.go	82.47% <100%> (ø)
extractors/bcy.go	100% <100%> (ø)
extractors/iqiyi.go	96.29% <96.29%> (ø)

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