snaplet-i18n-0.0.2.1: README.md

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## snaplet-i18n

1. create config below into `data/message_en.cfg`

~~~
hello = "Hello"
shanghai = "ShangHai"
~~~

2. use tag in heist template

~~~
<i18n name="shanghai"></i18n>
~~~

**see test at test/snap.hs***

## Snaplet

- [what is snaplet]

[what is snaplet]: http://snapframework.com/docs/tutorials/snaplets-tutorial

## TODO

- maybe multiple locale support at run time.
- build failed at Hakcage
    - because heist does not specify version of `transformers`, which will conflick with `transformer` of `mtl`
    - Upgrade heist would be fine.