Adding README details

Author: ethul

README.md

@@ -1 +1,62 @@
-# gulp-purescript
+# [gulp](https://github.com/wearefractal/gulp)-purescript
+
+> Runs the [PureScript](http://www.purescript.org) compiler to produce JavaScript files
+
+## Install
+
+Install with [npm](https://npmjs.org/package/gulp-purescript)
+
+```
+npm install gulp-purescript --save-dev
+```
+
+## Example
+
+```js
+var gulp = require('gulp')
+  , purescript = require('gulp-purescript')
+;
+gulp.task('purescript', function(){
+  return (
+    gulp.src('src/**/*.purs.hs').
+      pipe(purescript.psc({noPrelude: true})).
+      pipe(gulp.dest('dist/'))
+  );
+});
+```
+
+## API
+
+Refer to the PureScript [usage](http://docs.purescript.org/en/latest/intro.html#usage) section for additional details on the behaviour of each option below.
+
+### purescript.psc(options)
+
+Invokes the `psc` command.
+
+#### options
+
+ - noPrelude: Boolean value that toggles `--no-prelude`
+ - noOpts: Boolean value that toggles `--no-opts`
+ - noMagicDo: Boolean value that toggles `--no-magic-do`
+ - noTco: Boolean value that toggles `--no-tco`
+ - runtimeTypeChecks: Boolean value that toggles `--runtime-type-checks`
+ - verboseErrors: Boolean value that toggles `--verbose-errors`
+ - main: Boolean or string value that sets `--main` or `--main=<string>`
+ - browserNamespace: String value that sets `--browser-namespace=<string>`
+ - externs: String value that sets `--externs=<string>`
+ - modules: String or array value that sets one or more `--module=<string>`
+ - codegen: String or array value that sets one or more `--codegen=<string>`
+
+### purescript.pscMake(options)
+
+Invokes the `psc-make` command.
+
+#### options
+
+ - noPrelude: Boolean value that toggles `--no-prelude`
+ - noOpts: Boolean value that toggles `--no-opts`
+ - noMagicDo: Boolean value that toggles `--no-magic-do`
+ - noTco: Boolean value that toggles `--no-tco`
+ - runtimeTypeChecks: Boolean value that toggles `--runtime-type-checks`
+ - verboseErrors: Boolean value that toggles `--verbose-errors`
+ - browserNamespace: String value that sets `--browser-namespace=<string>`