feat: fee tiers

[thaixuandang]

Fee tiers:

• 0.01%:
  • 0.005% for LP + 0.005% for protocol
  • tick spacing of 1, equivalent to 0.01% between initializable ticks (why? discussion, proposal)
• 0.3%
  • 0.25% for LP + 0.05% for protocol
  • tick spacing of 60, approximately 0.60% between initializable ticks (as in the whitepaper)
• 1%
  • 0.85% for LP + 0.15% for protocol
  • tick spacing of 200, approximately 2.02% between initializable ticks (as in the whitepaper)