rename the 'sig-meetings' into 'docs', which is much proper name for the purpose of the repo. edit the aim and purpose of the repo, to make it more focus.
Signed-off-by: Nminglonghuang <roberthuang1010@163.com>

* add powermgr repo and dev-board meetingnotes

* add sig graphisandmedia basic info

Signed-off-by: NRobert <roberthuang1010@163.com>

Signed-off-by: NKelei Liang <kelei@iscas.ac.cn>

* Create Basic Software Services SIG.

* Description:[fix] update sig release information for version release

* create sig-distributedhardwaremgr and add committee

* update sig/sigs.json.

* add sig-softbus

* Create sig project for system applications sig.

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

* 维护sig信息

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

* add third party boards

* Added sig about oh-board-website

* Add application sig

* Add sig RISC-V

* OpenBlock SIG create

* update sig/sigs.json.

* add device_allwinner vendor_huawei_ipcamera_v3s and vendor_openharmonyfun repos

* Add sig toolchains

* update sig/sigs.json.

* sig-bluetooth request

* Description: create project from openharmony to openharmony-sig
* Description: fix slack markdown
* Description: fix owner names
* Description: modify committers
* Merge branch 'devboard' of https://gitee.com/kkup180/community into devboard
* Description: add sig-devboard
* Description: add sig-devboard

add driver

* add littlefs repository 

Bug: NA
Test: NA