[test] pouch testing subtasks

[sunyuan3]

Issue Description
This issue is to track the progress of pouch testing tasks.

• pouch installation testing script in local environment: test: add pouch installation in CI #86
• pouch installation testing in CI: test: add pouch installation in CI #86
• pouch integration testing framework:test: add a pouch version testcase #98
• performance testing(pouch vs docker)
• Add godoc in README.md:Add GoDoc, Build Status, FOSSA Status, Go Report #109
• Add https://travis-ci.com/alibaba/pouch in README.md:Add GoDoc, Build Status, FOSSA Status, Go Report #109
• Add https://app.fossa.io in README.md:Add GoDoc, Build Status, FOSSA Status, Go Report #109
• Add https://goreportcard.com in README.md:Add GoDoc, Build Status, FOSSA Status, Go Report #109
• Add integration testing guideline:add test case contribution instruction #114

Describe what happened:
None
Describe what you expected to happen:
None
How to reproduce it (as minimally and precisely as possible):
None
Anything else we need to know?:
No
Environment:

• pouch version (use pouch version):
• OS (e.g. from /etc/os-release):
• Kernel (e.g. uname -a):
• Install tools:
• Others:

[allencloud]

Any update for the work? @sunyuan3
Could you sync in the issue description, and mark one if you finished that.

[sunyuan3]

I have updated this issue.

[allencloud]

Any update on this? @sunyuan3

[allencloud]

I think we can close this, when we released, we can add a separated issue to track performance testing...