Update to latest GitHubPagesForGAP template

_data/package.yml

@@ -1,5 +1,6 @@
 name: AutomGrp
 version: "1.3.2"
+license: "MIT"
 date: 2019-09-30
 description: |
     Automata groups

index.md

@@ -10,6 +10,10 @@ The current version of this package is version {{site.data.package.version}}, re
 For more information, please refer to [the package manual]({{site.data.package.doc-html}}).
 There is also a [README](README.html) file.
 
+{% if site.data.package.license %}
+  License: [{{ site.data.package.license }}](https://spdx.org/licenses/{{ site.data.package.license }})
+{% endif %}
+
 ## Dependencies
 
 This package requires GAP version {{site.data.package.GAP}}

update.g

@@ -69,6 +69,9 @@ GeneratePackageYML:=function(pkg)
 
     AppendTo(stream, "name: ", pkg.PackageName, "\n");
     AppendTo(stream, "version: \"", pkg.Version, "\"\n");
+    if IsBound(pkg.License) then
+        AppendTo(stream, "license: \"", pkg.License, "\"\n");
+    fi;
 
     # convert date from DD/MM/YYYY to ISO 8601, i.e. YYYY-MM-DD
     #