Create Go-CheatSheet.md

Awesome-CheatSheet/ProgrammingLanguage/Go/Go-CheatSheet.md

+# Go CheatSheet
+
+```go
+// 声明三个变量，皆为 bool 类型
+var c, python, java bool
+
+// 声明不同类型的变量，并且赋值
+var i bool, j int = true, 2
+
+// 短声明变量
+c, python, java := true, false, "no!"
+```