Add gitignore

.gitignore

@@ -0,0 +1,2 @@
+/target
+Cargo.lock

src/parse.rs

@@ -1,13 +1,5 @@
-use std::{ops::RangeFrom, str::FromStr};
-
 use itertools::Itertools;
-use nom::{
-    branch::alt,
-    character::complete::{char, digit1},
-    combinator::map_res,
-    sequence::separated_pair,
-    AsChar, IResult, InputIter, Parser, Slice,
-};
+use nom::{branch::alt, character::complete::char, IResult, Parser};
 use thiserror::Error;
 
 use crate::{CronEntry, CronSpecifier};