Adding a php contact form feature.

README.md

@@ -96,6 +96,15 @@ params:
 ```
 
 
+## Contact form
+
+If your server support php with the mail() command (very common) you can use the included contact form feature to get a contact form for your site.
+
+1. Copy the file `themes/zen/static/php/contact.php.example` to `static/php/contact.php`.
+2. Edit the contact.php file so it has your own e-mail address. You may also change the mail subject prefix.
+3. Add the shortcode `{{< contact >}}` to a page. Also set `contactform: true` in the front matter for that page so the contact.js file gets loaded.
+
+
 ## Dates
 
 If "lastmod" is set in the frontmatter on a post that value will be used in the "submitted" section. If not "date" is used.
@@ -105,6 +114,14 @@ With "lastmod" set a date section will also appear at the bottom of post telling
 
 ## Shortcodes
 
+### Contact
+
+Insert a html5 contact form, see more above.
+
+```
+{{< contact >}}
+```
+
 ### Figure
 
 Zen comes with a improved version of the built in "figure" shortcut.