Fix readme to relate to current project

README.md

@@ -2,21 +2,11 @@
 [![Travis (.org) branch](https://img.shields.io/travis/jsspec/cli-options/master.svg?logo=travis&style=for-the-badge)](https://travis-ci.org/jsspec/cli-options)
 [![AppVeyor](https://img.shields.io/appveyor/ci/HookyQR/cli-options/master.svg?logo=appveyor&style=for-the-badge)](https://ci.appveyor.com/project/HookyQR/cli-options)
 
-Command line options parser for jsspec.
+Default output formatters for jsspec
 
-Example:
-```javascript
-const CLIOptions = requrie('@jsspec/cli-options')
+Fomatters included:
+## `Null`
+Does nothing. Use with `--format null`. Can be used as a base class to create other formatters.
 
-options = {
-  random: { alias: 'R', type: Boolean, required: false, default: true },
-  require: { alias: 'r', type: Array, required: false, default: [] },
-  format: { alias: 'f', type: String, required: false, default: 'documentation' },
-  files: { type: Array, required: false, default: [] }
-};
-
-const cliOptions = new CLIOptions(process.argv.slice(2), options, 'files');
-const settings = cliOptions.settings;
-
-console.log(cliOptions.errors.join('\n'));
-```
+## `Documentation`
+`-fd` or `--format documentation`. Currently does nothing. Pre-release creation.