Docs: 增加安装方式和文档链接

[codecov[bot]]

Codecov Report

Merging #11 (f69be66) into master (c513e58) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #11   +/-   ##
=======================================
  Coverage   93.96%   93.96%           
=======================================
  Files          14       14           
  Lines         464      464           
=======================================
  Hits          436      436           
  Misses         28       28           

Flag	Coverage Δ
unittests	93.96% <ø> (ø)

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