Added to additiona resources

Author: pedromsousalima

content/hardware/08.edu/solution-and-kits/alvik/essentials.md

@@ -2,7 +2,10 @@
 
 <EssentialElement title="Alvik API" type="library" link="https://github.com/arduino/arduino-alvik-mpy">
 The Arduino Alvik MicroPython library. 
+</EssentialElement>
 
+<EssentialElement title="Alvik API" type="library" link="content/hardware/08.edu/solution-and-kits/alvik/technicalDrawingAlvik.pdf">
+The Arduino Alvik Technical Drawing. 
 </EssentialElement>
 
 </EssentialsColumn>