Add `filter` argument information to DOCUMENTATION.md [API-1294]

[fatihozer0]

Documentation update on Master Branch about RingBuffer Filter argument.

[codecov[bot]]

Codecov Report

Merging #1401 (e84882e) into master (8564b65) will decrease coverage by 0.02%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1401      +/-   ##
==========================================
- Coverage   93.28%   93.26%   -0.03%     
==========================================
  Files         463      464       +1     
  Lines       16347    16380      +33     
  Branches     1329     1332       +3     
==========================================
+ Hits        15249    15276      +27     
- Misses        801      805       +4     
- Partials      297      299       +2     

Impacted Files	Coverage Δ
src/nearcache/NearCache.ts	92.24% <0.00%> (-1.56%)	:arrow_down:
src/proxy/NearCachedMapProxy.ts	93.05% <0.00%> (-1.28%)	:arrow_down:
src/invocation/InvocationService.ts	94.11% <0.00%> (-1.18%)	:arrow_down:
...c/serialization/compact/CompactStreamSerializer.ts	100.00% <0.00%> (ø)
src/codec/MapRemoveAllCodec.ts	100.00% <0.00%> (ø)
src/proxy/MapProxy.ts	98.09% <0.00%> (+0.03%)	:arrow_up:
src/discovery/HazelcastCloudDiscovery.ts	86.36% <0.00%> (+0.99%)	:arrow_up:
src/nearcache/RepairingTask.ts	91.37% <0.00%> (+1.72%)	:arrow_up:

:mega: We’re building smart automated test selection to slash your CI/CD build times. Learn more

[fatihozer0]

PR is closed due to misunderstanding the comments of #1393