v1.2.1

• Add Coyote Optimization Algorithm (COA) to Swarm-based group
• Update code LCBO and MLCO
• Add variant version of:
  • WOA: Hybrid Improved WOA
  • DE:
    • SADE: Self-Adaptive DE
    • JADE: Adaptive DE with Optional External Archive
    • SHADE: Success-History Based Parameter Adaptation DE
    • LSHADE: Linear Population Size Reduction for SHADE
  • PSO: Comprehensive Learning PSO (CL-PSO)

Change others

• examples: Update all the examples based on algorithm's input