Add README

Each meter plugin includes a file named README.md that is displayed in the Plugin Configuration dialog that provides documentation regarding the plugins requirements, setup instructions, configuration parameters, metrics, dashboards, etc. needed for the operation of the meter plugin.

Content that needs to be included in a README is discussed in Documentation.

Adding README.md

Add the README.md file to your repository by the running the following:

$ git checkout step6

View Contents Of README.md

TrueSight Pulse Tutorial Meter Plugin
=====================================

Meter plugin used in the _Meter Plugin Development Guide_.

### Prerequisites

|     OS    | Linux | Windows | SmartOS | OS X |
|:----------|:-----:|:-------:|:-------:|:----:|
| Supported |   v   |    v    |    v    |  v   |

### Plugin Setup

None

### Plugin Configuration Fields

|Field Name   |Description                             |
|:------------|:---------------------------------------|
|Source       |Source to use for measurements          |
|Interval     |How often to send measurement in seconds|

### Metrics Collected

|Metric Name     |Description                                    |
|:---------------|:----------------------------------------------|
|TUTORIAL\_METRIC|Metric definition for the tutorial meter plugin|

### Dashboards

- Tutorial

### References

None