v4.0.5

• Build unified firmware that supports both 2.13 and 2.66 inch ePaper display by detecting it at boot
• Migrate from GxEPD library to GxEPD2 library for much faster display updates
• Integrate U8g2_for_Adafruit_GFX library to support UTF-8 fonts (non-ascii characters such as öüäß)
• Add de_DE (German) and de_CH (Swiss German) boot slogans. Thanks GABRI3L!
• Add da (Danish) boot slogans. Thanks Jake21m!
• Rebuild boot logo to emphasize the lightning bolt in "Lightning Piggy" logo
• Place currency symbols before the fiat amount when appropriate
• Use proper fiat currency symbols (€,£,$,¥)
• Fix update notifications (they were broken in v3.x)