Adding F41 & Editing Maintainer Name : M31s, M31, M21, A51

Change-Id: I97c21e7ce18d5ce76e1eb573c43f91a5731aea68
diff --git a/_samsung/samsunggalaxym21.markdown b/_samsung/samsunggalaxym21.markdown
index da0ca9b..030dab2 100644
--- a/_samsung/samsunggalaxym21.markdown
+++ b/_samsung/samsunggalaxym21.markdown
@@ -4,7 +4,7 @@
 codename: m21
 downloadfolder: m21
 supportstatus: Current
-maintainer: Galaxieo
+maintainer: Galax1eo
 devicetree: "https://github.com/TeamWin/android_device_samsung_m21"
 xdathread: "https://xdaforums.com/t/recovery-official-3-7-1-twrp-for-galaxy-m21.4680109/"
 oem: Samsung