docs: Add some pictures and update template submodule

Author: ruimartinsptl

Diff for: content/en/sessions/session-12/_index.md

@@ -36,7 +36,6 @@ We extend our heartfelt gratitude to our esteemed speakers, attendees, and colla
 Stay tuned for more updates, insights, and future sessions as we continue our journey, exploring the forefronts of product development, innovation, and sustainable energy solutions!
 
 {{< img src="photos/51727809_1323711064434109_2127601454112833536_n.jpg" width=200 >}}
-{{< img src="photos/51729481_1323711621100720_2641194893203996672_n.jpg" width=200 >}}
 {{< img src="photos/51739658_1323711394434076_6051865230827323392_n.jpg" width=200 >}}
 {{< img src="photos/51798043_1323710901100792_2301930040603967488_n.jpg" width=200 >}}
 {{< img src="photos/52698833_1323711254434090_4483290221676331008_n.jpg" width=200 >}}