Split sections into pages

Preliminary work

software.html

@@ -0,0 +1,35 @@
+---
+layout: default
+---
+
+<div class="container" role="main">
+
+{% include sections/email-clients.html %}
+
+{% include sections/email-alternatives.html %}
+
+{% include sections/instant-messenger.html %}
+
+{% include sections/voice-video-messenger.html %}
+
+{% include sections/file-sharing.html %}
+
+{% include sections/selfhosted-cloud.html %}
+
+{% include sections/file-sync.html %}
+
+{% include sections/password-managers.html %}
+
+{% include sections/calendar-contacts-sync.html %}
+
+{% include sections/file-encryption.html %}
+
+{% include sections/self-contained-networks.html %}
+
+{% include sections/notebooks.html %}
+
+{% include sections/paste-services.html %}
+
+{% include sections/productivity-tools.html %}
+
+</div>