Support config cache with yaml for server

[Chiiizzzy]

[codecov[bot]]

Codecov Report

Merging #296 (d610c8d) into dev (6ac4c6b) will increase coverage by 0.15%. The diff coverage is 96.22%.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #296      +/-   ##
==========================================
+ Coverage   93.22%   93.37%   +0.15%     
==========================================
  Files          65       66       +1     
  Lines        2065     2142      +77     
==========================================
+ Hits         1925     2000      +75     
- Misses        140      142       +2     

Impacted Files	Coverage Δ
gptcache/utils/__init__.py	87.95% <50.00%> (+0.45%)	:arrow_up:
gptcache/adapter/api.py	97.95% <98.03%> (-2.05%)	:arrow_down:

... and 3 files with indirect coverage changes

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Chiiizzzy, SimFG

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• ~~OWNERS~~ [SimFG]

Approvers can indicate their approval by writing /approve in a comment Approvers can cancel approval by writing /approve cancel in a comment