Add minigpt4 adapter

[shiyu22]

No description provided.

[codecov]

Codecov Report

Merging #274 (e68cea7) into dev (2e6fa14) will not change coverage.
The diff coverage is 100.00%.

❗ Current head e68cea7 differs from pull request most recent head 5527ddb. Consider uploading reports for the commit 5527ddb to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #274   +/-   ##
=======================================
  Coverage   93.24%   93.24%           
=======================================
  Files          63       63           
  Lines        1953     1953           
=======================================
  Hits         1821     1821           
  Misses        132      132           

Impacted Files	Coverage Δ
gptcache/processor/pre.py	100.00% <ø> (ø)
gptcache/manager/scalar_data/sql_storage.py	96.52% <100.00%> (ø)

[SimFG]

/lgtm
/approve

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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