Fix: weight of Arduino Nano is specified at 7 gr both on product page and the starts of the corresponding docs page.

Only the tech specs are listing a value of 5 gr. This PR is rectifying this.

Author: aentinger

content/hardware/03.nano/boards/nano/tech-specs.yml

@@ -21,6 +21,6 @@ Clock speed:
 Memory:
   ATmega328P: 2KB SRAM, 32KB flash 1KB EEPROM
 Dimensions:
-  Weight: 5gr
+  Weight: 7 gr
   Width: 18 mm
   Length: 45 mm