Added Firts set of SED repacements

Sed.md

@@ -0,0 +1,19 @@
+# Standard SED repacements 
+
+### DOMAINname: shoud be replaced with $domain
+Example:
+```
+sed -i -e 's/DOMAINname/'$domain'/' <FileName>
+```
+
+### PHPver: shoud be replaced with $phpver
+Example:
+```
+sed -i -e 's/PHPver/'$phpver'/' <FileName>
+```
+
+### PASSword: shoud be replaced with $PASSword
+Example:
+```
+sed -i -e 's/PASSword/'$PASSword'/' <FileName>
+```