Added Samsung Galaxy S4 Mini (International 3G) Markdown

Change-Id: Ib860d9f36a1f77b9496111619c3dfc40e0aa5357
diff --git a/_samsung/samsunggalaxys4mini3gxx.markdown b/_samsung/samsunggalaxys4mini3gxx.markdown
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index 0000000..f88f574
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+++ b/_samsung/samsunggalaxys4mini3gxx.markdown
@@ -0,0 +1,26 @@
+---
+layout: device
+title: "Samsung Galaxy S4 Mini (International 3G)"
+codename: serrano3gxx
+downloadfolder: serrano3gxx
+supportstatus: Current
+maintainer: ripee
+oem: Samsung
+ddof: "/dev/block/bootdevice/by-name/recovery"
+devicetree: "https://github.com/TeamWin/android_device_samsung_serrano3gxx"
+xdathread: "https://forum.xda-developers.com/galaxy-s4-mini/orig-development/recovery-twrp-3-2-1-0-t3736888"
+---
+
+{% include disclaimer.html %}
+
+{% include supportstatus.html %}
+
+{% include appinstall.html %}
+
+{% include download.html %}
+
+{% include twrpinstall.html %}
+
+{% include odininstall.html %}
+
+{% include ddinstall.html %}
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