use new 'page' syntax for homepage

config.json

 {
 	"relative_urls": true,
-	"homepage_slug": "index",
+	"homepage": { "page": "index" },
 	"theme": {
 		"default_tag_color": "#000000",
 		"static_dir": "theme",

fgs/generator.py

@@ -78,8 +78,8 @@ class Generator:
 
 
     def generate_homepage(self, writer, lang, path):
-            page = self.context['pages'][lang][self.config['homepage_slug']]
-            writer.write_template(page.template, path , lang, {'page': page}, page.config)
+        page = self.factories['config'].get(lang)['homepage']['page']
+        writer.write_template(page.template, path , lang, {'page': page}, page.config)
 
 
     def generate_output(self, writer):

theme/templates/macros/nav.html

@@ -17,9 +17,7 @@
 {%- macro render_breadcrumb_menu(cat, lang, page = None) -%}
 	<nav class="breadcrumb" {% if cat.color -%}style="--category-color: {{ cat.color }}"{%- endif -%}>
 		<ul>
-			{%- call(homepage) get.page_by_slug(config.homepage_slug, lang) -%}
-			<li>{{ common.render_link(homepage.link, None, lang) }}</li>
-			{%- endcall -%}
+			<li>{{ common.render_link(config.homepage.page.link, None, lang) }}</li>
 			<li>{{ common.render_link(cat.link, None, lang) }}</li>
 			{%- if page -%}
 			<li>{{ common.render_link(page.link, None, lang) }}</li>