* 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.

Merge pull request !84 from dongjinguang/master

Bug: NA
Test: NA

Bug: NA
Test: NA

* Description:[fix] Update SIG proposal apply process

Bug: I3RB4W
Test: NA

* update sig/sigs.json.

* update sig/sig-fs/sig_fs_cn.md.

* update sig/sig-fs/sig_fs.md.

* update sig/sig-fs/OWNERS.

* Description:[fix] Fixed issue template display error

* Description:[fix] unified name for sig-fs

* Description:调整全球化子系统两个需求的迭代版本交付时间

* add device_allwinner vendor_huawei_ipcamera_v3s and vendor_openharmonyfun repos

* Description:[feature] Add issue template for community

* Description:modify feture list

* Description:fix version roadmap information

* Description:fix version roadmap information

* Add sig toolchains

* update sig/sigs.json.