Add Two Voting Algorithm, remove smart contract compilation error, Sync with frontend.

Description

1. Add Two Voting Algorithm
   • Score Voting Algorithm
   • Schulze Voting Algoritum
2. Remove/Fix Compilation error of smart contract.
3. Sync with Frontend.

Type of change

Please mark the options that are relevant.

• Updated UI/UX
• Improved the business logic of code
• Added new feature
• Other

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings