Goodie: Minecraft crafting recipes.

**What does your Instant Answer do?**
Return the crafting recipe for something that can be crafted in Minecraft.

**What problem does your Instant Answer solve (Why is it better than organic links)?**
A faster and cleaner answer.

**What is the data source for your Instant Answer? (Provide a link if possible)**
A static file.

**Why did you choose this data source?**
It contains most of the recipes.

**Are there any other alternative (better) data sources?**
No, not that I know of.

**What are some example queries that trigger this Instant Answer?**
ladder in minecraft
minecraft craft tnt

**Which communities will this Instant Answer be especially useful for? (gamers, book lovers, etc)**
Minecraft players.

**Is this Instant Answer connected to a DuckDuckHack [Instant Answer idea](https://duck.co/ideas)?**
Yes, [this](https://duck.co/ideas/idea/4535/minecraft-crafting-guide).

**Which existing Instant Answers will this one supercede/overlap with?**
None.

**Are you having any problems? Do you need our help with anything?**
- We might need to change the triggers, but I tried to avoid using regex. Open for suggestions.
- I'm not sure if you allow header tags in the HTML. I use h3 for the headline.

**Where did you hear about DuckDuckHack? (For first time contributors)**
Not my first contribution.

**What does the Instant Answer look like? (Provide a screenshot for new or updated Instant Answers)**
![minecraft-ddg](https://cloud.githubusercontent.com/assets/851595/4693734/0cf7ad34-57aa-11e4-871b-0c5d7948926e.png)


## Checklist
Please place an 'X' where appropriate.

```
[X] Added metadata and attribution information (https://duck.co/duckduckhack/metadata)
[X] Wrote test file and added to t/ directory (https://duck.co/duckduckhack/goodie_tests)
[X] Verified that instant answer adheres to design guidelines (https://duck.co/duckduckhack/design_styleguide)
[X] Verified that instant answer adheres to code styleguide (https://duck.co/duckduckhack/code_styleguide)
[\] Tested cross-browser compatibility

    Please let us know which browsers/devices you've tested on:
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        [X] Firefox
        [] Native Browser
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    - Ubuntu
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        [X] Chromium
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I think it would be better if you preprocessed this into a hash at startup.  Around L29:

```perl
my %recipes = map { lc $_->{'name'} => $_ } (@{ $decoded->{'items'} });
```
Then in the handler:
```perl
my $recipe = $recipes{lc $_};
return unless $recipe;
...;
```