[0.1.13] Update player HuD. Create new level with a new design

Changed

HuD

• Update player HuD. Now the HuD for the player visualized not above the player
  but on the top-left corner
• Update not only health count but also health bar
• Decrease player health from 10 to 5

Audio

• Update player background audio file and add extra ones.
• Loop audio when it ends

Font

• Update default font color

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