Add support for Joomla auto updater

Author: mattiaverga

README.md

@@ -8,6 +8,9 @@ Automatic Intro Image needs IMagick php module to be installed and enabled on yo
 See https://github.com/mattiaverga/JAutomaticIntroImage/wiki for more help.
 
 ## Changelog
+### v1.3.1
+* Add support for Joomla extension updater
+
 ### v1.3
 * New feature: use progressive JPEG
 

automaticintroimage.xml

@@ -121,4 +121,8 @@
                         </fieldset>
                 </fields>
         </config>
+        <updateservers>
+                <!-- Note: No spaces or linebreaks allowed between the server tags -->
+                <server type="extension" name="Automatic Inro Image Update Site">https://raw.githubusercontent.com/mattiaverga/JAutomaticIntroImage/master/manifest.xml</server>
+        </updateservers>
 </extension>

manifest.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<updates>
+	<update>
+		<name>Automatic Intro Image plugin</name>
+		<description>This is the Joomla 3.2+ plugin Automatic Intro Image</description>
+		<element>automaticintroimage</element>
+		<type>plugin</type>
+                <folder>content</folder>
+		<version>1.3.1</version>
+		<client>site</client>
+		<infourl title="Automatic Intro Image plugin">https://github.com/mattiaverga/JAutomaticIntroImage/releases/tag/1.3.1</infourl>
+		<downloads>
+			<downloadurl type="full" format="zip">https://github.com/mattiaverga/JAutomaticIntroImage/archive/1.3.1.zip</downloadurl>
+		</downloads>
+		<targetplatform name="joomla" version="3.[456789]" />
+	</update>
+</updates>