v2.0.0

• Rewriten in Flutter(client) and golang(server)
• Add Android App, recommand to use it

With native app, the sampling rate of input would up to double of web version.

Notice: The deep link would be disabled. please go to settings > app > "vTablet" > Set as default > Supported web addresses, and make sure "vtablet.teages.xyz" is on.