ObsidianToLava - SkyBlock server must have plugin

With this plugin players could easily transform Obsidian To Lava.
This feature is widely used on SkyBlock Server due to many players could mistakenly turn lava into obsidian when they are building cobblestone generator.

Feature:
* All messages could be customized
* Enable this feature for certain worlds
* Per player could switch their status to disable or enable this feature

Command:
/obsidiantolava switch - players could switch on/off obsidian to lava function
/obsidiantolava reload - reload config and messages

Permission:
obsidiantolava.switch - permission to use command /obsidiantolava switch
obsidiantolava.reload - permission to use command /obsidiantolava reload

Config:

# worlds enable this feature
settings:
   enabled-world:
   - SKYBLOCK
# message will send to players
messages:
   no-permission: '&8[&c!&8]&7 你没有足够的权限以执行该命令.'
   switch-on-otl: '&8[&a!&8]&f 已启用 桶装黑曜石 功能. &7&o(手持铁桶右键黑曜石即可将其转换为岩浆.)'
   switch-off-otl: '&8[&a!&8]&f 已禁用 桶装黑曜石 功能.'
   unknown-command: '&8[&c!&8]&7 未知命令. 输入 &c"/otl switch"&7 以切换 桶装黑曜石功能.'
#messages:
#    no-permission: '&8[&c!&8]&7 You don't have permission to do this.'
#    switch-on-otl: '&8[&a!&8]&f Enabled Obsidian To Lava. &7&o(Right click obsidian with bucket will turn it into lava bucket.)'
#    switch-off-otl: '&8[&a!&8]&f Disabled Obsidian To Lava.'
#    unknown-command: '&8[&c!&8]&7 Unknown Command. Type &c"/otl switch"&7 to switch on/off OTL feature.'