majority

Rust crate to manage Majority Judgment polls
https://electowiki.org/wiki/Majority_Judgment

```rust use majority::{Polls, Poll}; use anyhow::Result;

fn polldemo() -> Result<()> { let mut polls = Polls::new("polls.db")?; // create a poll polls.addpoll( "poll 1", "user 1", "Where shall we eat tomorrow ?", vec!["Mama's Pizza", "Mega Sushi", "The Borgir", "Mec Don Hald"], )?;

// user 2 assigns value 3 to "Mama's Pizza"
polls.vote("poll 1", 0, "user 2", 3)?;
// ... more votes ...
// get the poll results !
poll = polls.get_poll("poll 1")?;

} ```