* update zh/committer.md.

* Description:[fix] update sig-fs to sig-kernel

* 增加PR评论支持命令清单

* update readme

* update zh/committer.md.

* update sig/sigs.json.

Merge pull request !155 from jinguang/master

Bug: NA
Test: NA
Signed-off-by: NJinguang Dong <dongjinguang@huawei.com>

Bug: NA
Test: NA
Signed-off-by: NJinguang Dong <dongjinguang@huawei.com>

Bug: NA
Test: NA
Signed-off-by: NJinguang Dong <dongjinguang@huawei.com>

* add sig-softbus

* Create sig project for system applications sig.

* Description:[feature] Create API SIG for API governance

* 维护sig信息

* Remove uncreated project and update commiter profile link.

* feat(sig-kernel): 轻内核新增shell和arm9架构支持

* Description:[fix] update API version and match with OS version

* Description:[fix] Complete the dllite-micro sig information

* Description:[fix] Fixed gitee url address for yuanwenhong

* Description:[fix] fixed typo for dev maillist subscription

* Description:[Add] Create committer list for OpenHarmony repositories

* Description:[Add]  update MoM of PMC meeting on 20210526

* add third party boards

* Added sig about oh-board-website

* Description:[fix] update contribute license from CLA to DCO

* Add application sig

add dco and remove cla

* delete old logo

* Description:modify version roadmap

* Description:[fix] Create SIGs list

* Add sig RISC-V

* add dllite micro sig

* add logo file

* Description:[fix] update slack channel and provide slack's mainland we…

* OpenBlock SIG create

* Description:[fix] optimize SIG proposal and creation process description

* Description:modify roadrap and feture list

* Description:Add PMC MoM meeting records

* add sig/sig-distributeddatamgr/meeting_records.md.