Document urls.Parse template function

Closes #204

content/functions/urls.Parse.md

@@ -0,0 +1,32 @@
+---
+title: urls.Parse
+description: Parse parses a given url, which may be relative or absolute, into a URL structure.
+godocref: https://godoc.org/net/url#URL
+date: 2017-09-25
+publishdate: 2017-09-25
+lastmod: 2017-09-25
+categories: [functions]
+menu:
+  docs:
+    parent: "functions"
+keywords: [urls]
+signature: ["urls.Parse URL"]
+workson: []
+hugoversion:
+deprecated: false
+aliases: []
+---
+
+`urls.Parse` takes a url as input
+
+
+```
+{{ $url := urls.Parse "http://www.gohugo.io" }}		
+```
+
+and returns a [URL](https://godoc.org/net/url#URL) structure. The struct fields are accessed via the `.` notation:
+
+```
+{{ $url.Scheme }} → "http"
+{{ $url.Host }} → "www.gohugo.io"
+```