add azure blob support

[D2Lark]

I hereby agree to the terms of the CLA available at: https://databend.rs/dev/policies/cla/

Summary

Summary about this PR

I have finish basic functions of supporting azblob for opendal and stripe authing function from azure sdk for rust into reqsign repo. Now you can write read delete stat object in azure in behavior tests But I don't know how to wrap list_object response into stream.

Points to note：

• acc::list() is Not yet realized
• have redirected cargo.toml dependency to my repo
• Comment out the test listing paragraph in here so behavior tests can pass

[Xuanwo]

• acc::list() is Not yet realized

It's OK to keep going on, let's implement other functions first.

• have redirected cargo.toml dependency to my repo

We need to wait for the next release of reqsign with azure support.

• Comment out the test listing paragraph in here so behavior tests can pass

We can implement the test after azblob is ready.

[D2Lark]

• acc::list() is Not yet realized

It's OK to keep going on, let's implement other functions first.

Good, I am interested in this issue, let me try

[Xuanwo]

Good, I am interested in this issue, let me try

So nice! Please do it in a new PR so that we can do it in parallel.

[Xuanwo]

reqsign v0.0.2 has been released: Xuanwo/reqsign#40 🏁

Let's come back to this PR!

[Xuanwo]

Thanks for your hard work! Mostly LGTM, I left some review on small details, PTAL.

[D2Lark]

I leave tests module unchange and refine the azblob module. After I finish list object func then I will create another PullRequest

[Xuanwo]

Looks so nice! Great work!