add spacing between sign in button's icon and text

Author: sveinnthorarins

templates/base/head_navbar.tmpl

@@ -179,7 +179,8 @@
 				</a>
 			{{end}}
 			<a class="item{{if .PageIsSignIn}} active{{end}}" rel="nofollow" href="{{AppSubUrl}}/user/login{{if not .PageIsSignIn}}?redirect_to={{.CurrentURL}}{{end}}">
-				{{svg "octicon-sign-in"}} {{ctx.Locale.Tr "sign_in"}}
+				{{svg "octicon-sign-in"}}
+				<span class="tw-ml-1">{{ctx.Locale.Tr "sign_in"}}</span>
 			</a>
 		{{end}}
 	</div><!-- end full right menu -->