[Feature Request] Please can you make column type button, date, and option(dropdown select)

### I am opening an issue for
vue-easytable

### Issue Type
Feature

### Issue Title
Please can you make column type button, date, and option(dropdown select)

### What problem does this feature solve?
So if this feature is available, i dont have to install external library or i dont have to make custom body cell because that return button, date input, selecet dropdown because it make interface table so bad.

### What does the proposed API look like?
columns:[
{
field:"orderDate",
name:"ORDER DATE",
type:date,
edit:true,
},
{
field:"edit",
name:"EDIT",
type:button,
onclick:(row, cell)=>{
call methods here or write methods here
}
},

{
field:"items",
name:"SELECT ITEMS",
type:option,
optionData:[{value:"a", title:"AA001"},{value:"b",title:"BB001"}],
edit:true,
},
]