adding bibliotecha images

speakers/andre-castro/index.html

@@ -12,6 +12,9 @@ group: navigation
 <hr />
 <h2>Presenting with <a href="../lucia-dossin/">Lucia Dossin</a></h2>
 <h3>Workshop: Bibliotecha</h3>
+<img src="closed.png" width="300px" />
+<br/>
+<img src="opened.png" width="300px" />
 <p>Bibliotecha is a local offline network for distribution of digital texts, which allows small communities to build and share their electronic text collections.
 Bibliotecha relies on a small computer (a RaspberryPi) running open-source software to serve the ebooks over a local WIFI hotspot. Using the browser to connect to it, one is given the option to retrieve or donate texts.</p>
 

speakers/lucia-dossin/index.html

@@ -10,6 +10,9 @@ group: navigation
 <hr />
 <h2>Presenting with <a href="../andre-castro/">Andre Castro</a></h2>
 <h3>Workshop: Bibliotecha</h3>
+<img src="../andre-castro/closed.png" width="300px" />
+<br/>
+<img src="../andre-castro/opened.png" width="300px" />
 <p>Bibliotecha is a local offline network for distribution of digital texts, which allows small communities to build and share their electronic text collections.
 Bibliotecha relies on a small computer (a RaspberryPi) running open-source software to serve the ebooks over a local WIFI hotspot. Using the browser to connect to it, one is given the option to retrieve or donate texts.</p>