Yeastar Support Community Version1.0！

From beta version to V1.0, here are all the changes we made↓
*Upgrades*
- Add new topic "Community Ideas"
- Add Q3 feature preview in "Beta Plan"
- Add new topic "Scripts and Tools"
- Add new topic "Dedicated Firmware"
- Add new topic "ITSP Configuration Guide"
- Change icon and fonts
*Bug fixed*
- after you submit a registration/subscribe form in "Beta Plan", you will receive a notice so you will not submit for several times
*UI improvements*
- bigger fonts
- brand new icons set