Setup env var for aarch64 target linker

Simplify AsyncWrite protocol. Add implementation for shutdown

v0.3.0 (#41)

* diffing kickoff

* v0.3.0 on the way

* Fix example. Renamings

* Fix initial bootstraping && remove prints

* fmt & clippy

* Update example. Add drop for ReadReceiver to make sure all future wakers are consumed and called

* Move all blocking ops to spawned thread

* Redo async bridge API

* Name things properly, remove missleading comment, snapshots are explicit now

* Rebase, fmt & clippy

Rename lib on windows

default endpoint in config (#35)

Install pkg-config on Mac worker

Always re-read journal header when adding new/existing snapshot (#27)

* Always re-read journal header on new snapshot

* Add test

* Force threads to sleep

Fix journal bootstraping (#25)

* Provide offset with raw page

Fix calc for block alignment in SQliteAllocator