v2.5.0 => v2.6.0

## Deletion: 

* `FireManager`

Use `Fire` instead.

## Transfer

* `FileInfo`->`Fire.File`
* `FireDispath`-`>Fire.Dispath`
* `HTTPMethod`->`Fire.HTTPMethod`
* `FireAPI`->`Fire.API`
* `FireResponseStatus`->`Fire.ResponseStatus`