v0.9.8 - Alpha launch last tasks and fix

FEATURE

• Update shop
• Added the text of the copyright disclaimer
• Update mobs drop
• Production server load test
• Animation of the green crystal over the players
• Inserted on boarding text on the homepage

FIX AND REFACTORING

• Fix menu position and menu button graphic
• Fix experience balance that mobs drop
• Fix mobs life bar disappearing
• Fix party graphics in battle items disappearing
• Fixed bug that dungeon map is set to null
• Fix player with menu open to join battle in party