Open pool for extension

[babesflorin]

Question	Answer
New feature?	yes
License	MIT

Description

I need to open the adapter for extension because I would like to override the methods that works with lists.
Real life scenario: I use Memcached as a cachePool and Redis as a tagStorePool. Right now when I append a key to a list it gets the list, appends the element to list and than saves the list. If I override appendListItem, removeListItem and use the native functionality of redis for working with lists it will be three times faster.

[codecov-io]

Codecov Report

Merging #225 into master will not change coverage.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master     #225   +/-   ##
=========================================
  Coverage     82.24%   82.24%           
  Complexity      615      615           
=========================================
  Files            33       33           
  Lines          1560     1560           
=========================================
  Hits           1283     1283           
  Misses          277      277

Impacted Files	Coverage Δ	Complexity Δ
src/Taggable/TaggablePSR6PoolAdapter.php	87.09% <100%> (ø)	36 <0> (ø)	⬇️

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[rrelenschi]

👍