Add docs for dragonfly2.0

[244372610]

Signed-off-by: santong weipeng.swp@alibaba-inc.com

Description

Related Issue

fix #233

Motivation and Context

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist:

• Code compiles correctly.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

Merging #234 (ad4f55d) into main (6b0ff5d) will increase coverage by 0.08%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #234      +/-   ##
==========================================
+ Coverage   42.25%   42.34%   +0.08%     
==========================================
  Files          73       73              
  Lines        5640     5640              
==========================================
+ Hits         2383     2388       +5     
+ Misses       2908     2905       -3     
+ Partials      349      347       -2     

Flag	Coverage Δ
unittests	42.34% <ø> (+0.08%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
client/daemon/peer/peertask_stream.go	58.11% <0.00%> (+1.13%)	⬆️
client/daemon/peer/peertask_stream_callback.go	65.00% <0.00%> (+2.50%)	⬆️