samsung: Add Galaxy A51 4G

Change-Id: Ie9301313c3e9b5b693a712dd0b1b250d102747d3
diff --git a/_samsung/samsunggalaxya51.markdown b/_samsung/samsunggalaxya51.markdown
new file mode 100755
index 0000000..765030e
--- /dev/null
+++ b/_samsung/samsunggalaxya51.markdown
@@ -0,0 +1,28 @@
+---
+layout: device
+title: "Samsung Galaxy A51 4G"
+codename: a51
+downloadfolder: a51
+supportstatus: Current
+maintainer: roynatech2544
+devicetree: "https://github.com/TeamWin/android_device_samsung_a51"
+oem: Samsung
+ddof: "/dev/block/platform/13520000.ufs/by-name/recovery"
+xdathread: "https://forum.xda-developers.com/t/recovery-unofficial-twrp-3-7-0-for-galaxy-a51-4g.4558645/"
+---
+
+{% include disclaimer.html %}
+
+{% include supportstatus.html %}
+
+{% include samsungsystemasroot.html %}
+
+{% include download.html %}
+
+{% include appinstall.html %}
+
+{% include twrpinstall.html %}
+
+{% include odininstall.html %}
+
+{% include ddinstall.html %}