Switch to pest-generated parser

src/parse.rs

@@ -1,18 +1,3 @@
-use std::fs;
-use std::path::Path;
-
-use crate::commands::Command;
-
-use self::line::parse_lines;
-
-mod error;
-mod line;
-mod parser;
-
-pub fn parse(file: &Path) -> anyhow::Result<Vec<Command>> {
-    let content = fs::read_to_string(file)?;
-    let lines = parse_lines(&content)?;
-
-    println!("{:#?}", lines);
-    todo!()
-}
+#[derive(pest_derive::Parser)]
+#[grammar = "parse/grammar.pest"]
+pub struct MyParser;