dev(hansbug): add delay feature in treevalue && add mode and missing option to union and subside

[HansBug]

Description

• Add basic delay feature in treevalue
• Add delay into func_treelize
• Add delay into subside and union
• Add mode and missing option to union and subside

Check List

• merge the latest version source branch/repo, and resolve all the conflicts
• pass style check
• pass all the tests

[codecov]

Codecov Report

Merging #23 (17c2ac4) into main (f5bd4fc) will increase coverage by 0.01%.
The diff coverage is 99.53%.

@@            Coverage Diff             @@
##             main      #23      +/-   ##
==========================================
+ Coverage   99.19%   99.20%   +0.01%     
==========================================
  Files          34       35       +1     
  Lines        1861     2013     +152     
==========================================
+ Hits         1846     1997     +151     
- Misses         15       16       +1     

Flag	Coverage Δ
unittests	99.20% <99.53%> (+0.01%)	⬆️

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Impacted Files	Coverage Δ
treevalue/tree/common/delay.pyx	97.67% <97.67%> (ø)
treevalue/tree/common/__init__.py	100.00% <100.00%> (ø)
treevalue/tree/common/base.pyx	100.00% <100.00%> (ø)
treevalue/tree/common/storage.pyx	100.00% <100.00%> (ø)
treevalue/tree/func/cfunc.pyx	100.00% <100.00%> (ø)
treevalue/tree/func/func.py	100.00% <100.00%> (ø)
treevalue/tree/general/general.py	100.00% <100.00%> (ø)
treevalue/tree/tree/__init__.py	100.00% <100.00%> (ø)
treevalue/tree/tree/flatten.pyx	100.00% <100.00%> (ø)
treevalue/tree/tree/functional.pyx	100.00% <100.00%> (ø)
... and 3 more

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