docs(07_mapping): supplement KeyType (#867)

Update README.md (#866)

Create funding.json

Merge pull request #862 from liucanhui-eng/patch-1

Update readme.md

docs(codespell): fix codespell (#859)

fix owner typo (#858)

feat(erc721-03): erc721-03 (#856)

Update README.md (#854)

feat(02): erc721-02 (#853)

feat(erc721-01): erc721-01 (#852)

Merge pull request #850 from dkrizhanovskyi/issues/830

Daniil Krizhanovskyi <arecibo@fedora.home>

docs(readme): delete mirror link (#848)

方便 mirror 之类的平台分发，主要是图片格式 (#840)