feat: implement YText

[forehalo]

This is a fast implementation for YText without performance optimization.

We will compare it with List implementation and see if we could abstract the common part into traits or whatever.

Performance notice:

1. without search markers, the find_position operation will be in O(n) time consumption
2. without fast left/right/parent dereference, item.(left,right,parent) will be in O(logN) time consumption

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
octobase	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 1, 2023 9:39am

[github-advanced-security]

clippy found more than 10 potential problems in the proposed changes. Check the Files changed tab for more details.

[codecov]

Codecov Report

Patch coverage: 75.48% and project coverage change: +1.39 🎉

Comparison is base (69b1daf) 69.37% compared to head (b5a696e) 70.76%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #440      +/-   ##
==========================================
+ Coverage   69.37%   70.76%   +1.39%     
==========================================
  Files         144      146       +2     
  Lines       15337    15750     +413     
==========================================
+ Hits        10640    11146     +506     
+ Misses       4697     4604      -93     

Impacted Files	Coverage Δ
libs/jwst-binding/jwst-jni/src/storage.rs	0.00% <0.00%> (ø)
libs/jwst-binding/jwst-swift/src/storage.rs	0.00% <0.00%> (ø)
libs/jwst-codec/src/lib.rs	100.00% <ø> (ø)
libs/jwst/src/workspace/transaction.rs	71.59% <ø> (ø)
libs/jwst-codec/src/doc/store.rs	77.07% <65.88%> (+2.02%)	⬆️
libs/jwst-codec/src/doc/document.rs	76.19% <69.23%> (+30.68%)	⬆️
libs/jwst-codec/src/doc/codec/content.rs	85.02% <71.60%> (-6.92%)	⬇️
libs/jwst-codec/src/doc/types/mod.rs	76.72% <75.92%> (+50.25%)	⬆️
libs/jwst-codec/src/doc/codec/item.rs	82.22% <76.27%> (+3.80%)	⬆️
libs/jwst-codec/src/doc/codec/refs.rs	88.28% <86.02%> (+1.79%)	⬆️
... and 3 more

... and 9 files with indirect coverage changes

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