add Template-Mustache submodule

Author: kivikakk

.gitmodules

@@ -7,3 +7,6 @@
 [submodule "vendor/uri"]
 	path = vendor/uri
 	url = https://github.com/perl6-community-modules/uri
+[submodule "vendor/p6-Template-Mustache"]
+	path = vendor/p6-Template-Mustache
+	url = https://github.com/softmoth/p6-Template-Mustache

lib/github/commands/pod62html

@@ -5,6 +5,7 @@ use v6;
 use lib $*PROGRAM.IO.parent.add: '../../../vendor/p6-pod-load';
 use lib $*PROGRAM.IO.parent.add: '../../../vendor/Pod-To-HTML';
 use lib $*PROGRAM.IO.parent.add: '../../../vendor/uri';
+use lib $*PROGRAM.IO.parent.add: '../../../vendor/p6-Template-Mustache';
 
 use Pod::Load;
 use Pod::To::HTML;