invoice fixes, print fixes

src/pages/_includes/cards/invoice.html

 <div class="card">
-	<div class="card-header d-print-none">
-		<h3 class="card-title">Invoice</h3>
-		<div class="card-options">
-			<button type="button" class="btn btn-primary" onclick="javascript:window.print();"><i
-				class="si si-printer"></i> Print Invoice
-			</button>
-		</div>
-	</div>
 	<div class="card-body">
 		<div class="row">
 			<div class="col-6">

src/pages/_includes/layout/footer.html

-<footer class="footer footer-transparent">
+<footer class="footer footer-transparent d-print-none">
 	<div class="container">
 		<div class="row text-center align-items-center flex-row-reverse">
 			<div class="col-lg-auto ml-lg-auto">

src/pages/_includes/layout/header-actions/print.html

+<button type="button" class="btn btn-primary" onclick="javascript:window.print();">
+	{% include ui/icon.html icon="printer" %} Print Invoice
+</button>
\ No newline at end of file

src/pages/_includes/layout/navbar.html

 {% assign breakpoint = include.breakpoint | default: 'md' %}
 {% assign condensed = include.condensed | default: false %}
 
-<header class="navbar navbar-expand-{{ breakpoint }}{% unless include.transparent %} {% if include.dark %}navbar-dark{% else %}navbar-light{% endif %}{% if include.background %} bg-{{ include.background }}{% endif %}{% endunless %}{% if include.sticky %} sticky-top{% endif %}{% if include.overlap %} navbar-overlap{% endif %}{% if include.class %} {{ include.class }}{% endif %}"{% if include.background-color %} style="background: {{ include.background-color }}"{% endif %}>
+<header class="navbar navbar-expand-{{ breakpoint }}{% unless include.transparent %} {% if include.dark %}navbar-dark{% else %}navbar-light{% endif %}{% if include.background %} bg-{{ include.background }}{% endif %}{% endunless %}{% if include.sticky %} sticky-top{% endif %}{% if include.overlap %} navbar-overlap{% endif %}{% if include.class %} {{ include.class }}{% endif %} d-print-none"{% if include.background-color %} style="background: {{ include.background-color }}"{% endif %}>
 	<div class="container{% if page.layout-fluid %}-fluid{% else %}-xl{% endif %}">
 		{% include layout/navbar-toggler.html target="navbar-menu" %}
 

src/pages/_includes/layout/page-header.html

 <!-- Page title -->
-<div class="page-header{% if include.class %} {{ include.class }}{% endif %}">
+<div class="page-header{% if include.class %} {{ include.class }}{% endif %} d-print-none">
 
 	<div class="row align-items-center">
 		<div class="col">

src/pages/invoice.html

@@ -2,6 +2,8 @@
 title: Invoice
 layout: default
 menu: extra.invoice
+page-header: Invoice
+page-header-actions: print
 ---
 
 {% include cards/invoice.html %}