Update 1.2

Update 1.2 changelog:

• Sun hazard fixed
• Speedrun mode added - Automatically progress through each level
• Bug that allowed player to place items while shop is open fixed
• Bug that allowed players to affect hazards using held items fixed
• Bug that removed all of a certain item from inventory upon decreasing number to purchase fixed
• Level layout and cash tweaked
• Links added in credits section
• Player greeting added to start menu