feat: add github badge

[aelf-lxy]

add github badge

[vizipi]

Pull request analysis by VIZIPI

Below you will find who is the most qualified team member to review your code.
This analysis includes his/her work on the code included in this Pull request, in addition to their experience in code affected by these changes ( partly found within the list of potential missing files below )   Feedback always welcome

Reviewers with knowledge related to these changes

Match %	Person	Commit Count	Common Files
62.50%	AbigailDeng	150	5
50.00%	轩辕焮痕	10	4
12.50%	Alef-hz	5	1
12.50%	lhoopox	1	1

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Potential missing files from this Pull request

files commonly committed with a subset of this pr, but not committed this time. (click to collapse)

File	Percentile	rate
dist/aelf.cjs.js	50.00%	1 out of 2 times
dist/aelf.umd.js	50.00%	1 out of 2 times
dist/aelf.cjs.js.map	50.00%	1 out of 2 times
dist/aelf.umd.js.map	50.00%	1 out of 2 times
src/wallet/index.js	50.00%	1 out of 2 times
src/util/utils.js	50.00%	1 out of 2 times
src/util/proto.js	50.00%	1 out of 2 times
src/contract/index.js	50.00%	1 out of 2 times
src/util/httpProvider.js	50.00%	1 out of 2 times
test/unit/chain/index.test.js	50.00%	1 out of 2 times

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Committed file ranks

(click to expand)

97.16%[README.md]

52.48%[.github/workflows/coverage.yml]

99.65%[package.json]

99.29%[yarn.lock]

96.10%[jest.browser.config.js]