Added raw doc and codes
Revert "Added raw doc and codes"

This reverts commit 45d01e85f398eab97a4d88cdb27ca5986f87e441.
Added raw design photo and codes
Revert "Added raw design photo and codes"

This reverts commit 853d1725af1d97ee9e37e008fdcf15f2e67a258d.
Merge pull request #1 from linzongshu/develop

Merge develop to master
Merge remote-tracking branch 'upstream/develop'