feat: prep for next version

- per subject of projects page
- add basic news page
- new layout with bootstrap
- more misc pages

layouts/signalements/list.html

@@ -0,0 +1,17 @@
+{{ define "main" }}
+	<main class="container">
+		<h1 class="page-title">{{ .Title }}</h1>
+		{{ with .Content }}
+            <div>{{ . }}</div>
+        {{ end }}
+        
+        <iframe
+            width="100%"
+            height="500px"
+            frameborder="0"
+            allowfullscreen
+            src="//umap.openstreetmap.fr/en/map/vmems-problemes-cyclables-gaillon-aubevoye_1100616?scaleControl=false&miniMap=false&scrollWheelZoom=false&zoomControl=true&editMode=disabled&moreControl=true&searchControl=null&tilelayersControl=null&embedControl=null&datalayersControl=true&onLoadPanel=none&captionBar=false&captionMenus=true">
+        </iframe>
+	</main>
+{{ end }}
+