Added new sample

My Tasks/Metadata.xml

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+<?xml version="1.0" encoding="utf-8" ?>
+<SampleMetadata>
+	<IsFullApplication>false</IsFullApplication>
+	<Level>Advanced</Level>
+	<Tags>Xamarin.Forms, SkiaSharp</Tags>
+	<SupportedPlatforms>Android, iOS</SupportedPlatforms>
+	<LicenseRequirement>Indie</LicenseRequirement>
+	<Gallery>true</Gallery>
+	<Brief>A Xamarin.Forms version of the Filter Menu design by Anton Aheichanka to prove you can create goodlooking UI with Xamarin.Forms.</Brief>
+	<DownloadUrl>https://github.com/jsuarezruiz/MyTasks/archive/master.zip</DownloadUrl>
+	<Author>Javier Suárez</Author>
+</SampleMetadata>