Built-in data.json plugin

[traut]

Background

In addition to the installable plugins (#3), fabric must have built-in plugins to allow generation of simple content without the need to download extra components.

Related: #15, #18

Design

data.json plugin should be a part of the fabric binary.

Specification

• the plugin has no configuration options
• API interface:
  • required glob string attribute, that with a path glob against local FS

Behavior

Using the provided glob value, the plugin reads all matching files and returns a list of items, where each item is a content of the matching file (json-deserialized). If there are no files matching the provided glob, return an empty list.

Deliverables

• new built-in data.json plugin
• unit test for the plugin

[traut]

implemented in #30