mbl 0.1.0

The finantial part based on rust_decimal crate
Documentation 
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use rust_decimal;
use rust_decimal::prelude::*;

pub fn add(left: u64, right: u64) -> u64 {
    left + right
}

pub fn fund(howmuch:rust_decimal::Decimal)->bool{
    if howmuch > dec!(0.0){
        return true;
    }
    else {
        return false;
    }

}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn it_works() {
        let result = add(2, 2);
        assert_eq!(result, 4);
    }
}