Add sponsors

Author: joto

_includes/sponsors.html

@@ -0,0 +1,4 @@
+<div class="sponsorlist">
+    <div><a href="https://www.geofabrik.de/"><img width="40" height="40" src="{% link sponsors/geofabrik.svg %}" alt="Geofabrik" title="Geofabrik"/></a></div>
+    <div><a href="https://www.cybertec-postgresql.com/"><img height="30" src="{% link sponsors/cybertec.svg %}" alt="Cybertec" title="Cybertec"/></a></div>
+</div>

_layouts/default.html

@@ -20,6 +20,7 @@
                 <li><a href="/status.html">STATUS</a></li>
                 <li><a href="/docs.html">DOCUMENTATION</a></li>
 <!--                <li><a href="/news.html">NEWS</a></li>-->
+                <li><a href="/sponsors.html">SPONSORS</a></li>
                 <li><a href="/contact.html">CONTACT</a></li>
                 <li><a class="github" href="https://github.com/osmcode"><span id="githublink"><img src="/img/github.png" width="16" height="16"/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>CODE</a></li>
             </ul>

_layouts/manual.html

@@ -15,6 +15,7 @@
                 <li><a href="/status.html">STATUS</a></li>
                 <li><a href="/docs.html">DOCUMENTATION</a></li>
 <!--                <li><a href="/news.html">NEWS</a></li>-->
+                <li><a href="/sponsors.html">SPONSORS</a></li>
                 <li><a href="/contact.html">CONTACT</a></li>
                 <li><a class="github" href="https://github.com/osmcode"><span id="githublink"><img src="/img/github.png" width="16" height="16"/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>CODE</a></li>
             </ul>

css/main.css

@@ -201,6 +201,17 @@ div.sponsoring {
     border-top: 1px solid #c0c0c0;
 }
 
+div.sponsorlist {
+    display: flex;
+    align-content: stretch;
+    flex-wrap: wrap;
+}
+
+div.sponsorlist div {
+    padding: 4px 40px 4px 0;
+    margin: auto 0;
+}
+
 .box {
     display: block;
     padding: 6px 8px 6px 48px;

index.html

@@ -73,3 +73,10 @@ <h3>OSM Test Data</h3>
     </a>
 </div>
 
+<div class="sponsoring">
+<p>Developing and supporting Osmium takes a huge amount of effort. We thank
+the following companies for their support:</p>
+
+{% include sponsors.html %}
+</div>
+

sponsors.html

@@ -0,0 +1,14 @@
+---
+layout: default
+title: Sponsors
+---
+
+<p>Developing and supporting osm2pgsql takes a huge amount of effort. We thank
+the following companies and organizations for their support:</p>
+
+{% include sponsors.html %}
+
+<p>We need more and ongoing sponsorship to keep Osmium as a reliable and modern
+software. If you want to help, <a href="mailto:jochen@topf.org">contact
+us</a>.</p>
+