refcountmap build for testing

Merge pull request #17 from aaronriekenberg/refcountmap

Adding ReferenceCountMap for testing

Add NativeMemoryMap.hottestKeys, NativeMemoryMap.coldestKeys.

Merge pull request #16 from aaronriekenberg/main

Add NativeMemoryMap.hottestKeys, NativeMemoryMap.coldestKeys.

Updating gradle-build-action in github actions to v2 to fix security issues

Updating gradle-build-action in github actions to v2 to fix security issues:

https://github.com/target/native_memory_allocator/security/dependabot/1
https://github.com/target/native_memory_allocator/security/dependabot/2

Add JMH benchmarks

Merge pull request #13 from aaronriekenberg/020623_jmh

JMH Benchmarks: Avoid byte array copy for reads in NMA valueSerializer

Add offheap-flatbuffers example, update documentation.

2.2.0

Make maven/gradle options more clear

Update jitpack.yml

Merge pull request #8 from target/aaronriekenberg-patch-4

Update jitpack.yml

Add jitpack.yml

Merge pull request #7 from aaronriekenberg/052322_jitpack

Add jitpack.yml

Version 2.0.0

Update to 2.0.0 to not overlap with previous internal versions of the library.