[Feature] Support otter

[mzr1996]

Motivation

Support multi-modality algorithm Otter.

[codecov]

Codecov Report

Patch coverage: 37.08% and project coverage change: -1.85 ⚠️

Comparison is base (f9dcae2) 68.16% compared to head (729fe1e) 66.31%.

❗ Current head 729fe1e differs from pull request most recent head f6297c1. Consider uploading reports for the commit f6297c1 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #1651      +/-   ##
==========================================
- Coverage   68.16%   66.31%   -1.85%     
==========================================
  Files         295      315      +20     
  Lines       23372    24862    +1490     
  Branches     3713     3953     +240     
==========================================
+ Hits        15932    16488     +556     
- Misses       6880     7771     +891     
- Partials      560      603      +43     

Flag	Coverage Δ
unittests	66.31% <37.08%> (-1.85%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
mmpretrain/apis/image_retrieval.py	21.42% <ø> (ø)
mmpretrain/datasets/__init__.py	63.41% <0.00%> (-10.88%)	⬇️
mmpretrain/datasets/gqa_dataset.py	0.00% <0.00%> (ø)
mmpretrain/datasets/nocaps.py	0.00% <0.00%> (ø)
mmpretrain/datasets/ocr_vqa.py	0.00% <0.00%> (ø)
mmpretrain/datasets/scienceqa.py	0.00% <0.00%> (ø)
mmpretrain/datasets/textvqa.py	0.00% <0.00%> (ø)
mmpretrain/datasets/transforms/__init__.py	100.00% <ø> (ø)
mmpretrain/datasets/vizwiz.py	0.00% <0.00%> (ø)
mmpretrain/datasets/vsr.py	0.00% <0.00%> (ø)
... and 39 more

... and 1 file with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.