v2.0.0

• Tested on Spigot 1.17.1, 1.16.5, 1.15.2, and 1.14.4
• Updated to new Material values and BlockData interfaces
• Updated to api-version 1.14 (#107)
• Updated to Netty 4.1.59.Final (#106), Java 8
• Removed old version 1.13 to 1.7 support; if you need it use WebSandboxMC 1.x instead of 2.x