[fix] fix grammar bug, and fix tencent evb mx+ key mismatch problem

[update] change dirs and add examples directory

Signed-off-by: MurphyZhao <d2014zjt@163.com>

[fix] 修复 combos 单次的歧义，愿意是想用作连击，但与组合歧义，因此替换为 multiple click

Signed-off-by: zhaojuntao <d2014zjt@163.com>

[update] SConscript for rt-thread packages

Signed-off-by: MurphyZhao <d2014zjt@163.com>