Proto commits in unionj-cloud/go-doudou

These 5 commits are when the Protocol Buffers files have changed:

Commit:e648ee4
Author:武斌

fix unit test

The documentation is generated from this commit.

Commit:4035ea6
Author:wubin1989

when generate proto file, respect dto json tag to generate message field name

Commit:1c3e198
Author:wubin1989

add google/protobuf/struct.proto

Commit:6b04728
Author:wubin1989

add annotatedOnly flag

Commit:9dad42b
Author:wubin1989

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