add spacing between register button's icon and text

Author: sveinnthorarins

templates/base/head_navbar.tmpl

@@ -175,7 +175,8 @@
 		{{else}}
 			{{if .ShowRegistrationButton}}
 				<a class="item{{if .PageIsSignUp}} active{{end}}" href="{{AppSubUrl}}/user/sign_up">
-					{{svg "octicon-person"}} {{ctx.Locale.Tr "register"}}
+					{{svg "octicon-person"}}
+					<span class="tw-ml-1">{{ctx.Locale.Tr "register"}}</span>
 				</a>
 			{{end}}
 			<a class="item{{if .PageIsSignIn}} active{{end}}" rel="nofollow" href="{{AppSubUrl}}/user/login{{if not .PageIsSignIn}}?redirect_to={{.CurrentURL}}{{end}}">