Updated build to v1.2

Updated build to a polished version of the jam submission !

You can now play the game in the browser.
All changes : 

• There is now a tutorial in the menu !
• Gameplay improvements, such as :
  • Difficulty ramps up over time, it starts slow, then try to keep up the pace !
  • High enemy tiers ( 2 to 3) spawn later in the game, not in the beginning.
  • FX improvements ! 
  • Combo meter can go higher than before !
  • Enemies now have coloured elemental weaknesses.
    
  • Elemental weaknesses are aligned.
  • DISCO BALL !
    

Have fun ! Share your best score in the comments !