Post-jam Updates

Just a post-jam update time. Changes based on feedback and bugs to fix (and catch):

• Web build.
• Swimming no longer costs oxygen if above water but will still stop oxygen regeneration.
• Squishier animations for the player.
• Reduce time of each bug hunt to 3 minutes total.
• Increase number of bugs in lake by 30%.
• Adjust bug experience reward.
• Adjust level requirements.
• Add brief intro.
• Add notification at top of screen when underwater/submerged.
• Bug: stop button presses from making the frog swim.
• Bug: fix sounds not playing.
• Bug: improve z-index sorting.