V1.1 - Small Fixes

Hello everyone!

After the initial upload of the game we found some loopholes in the gameplay and some bugs that we wanted to fix, and so we fixed them!

Changelog :

• Made texts more readable by removing their blurriness
• Removed possibility to send letter while they were moving
• Removed a difficulty level and overhaul increased game difficulty and difficulty curve
• Small tweak on the main menu UI position