Merge pull request 'Modules : input -> buffer' (#4) from refactoring/names/1 into main

Reviewed-on: https://gitea.ahur.ac/ahurac/rash/pulls/4

src/main.rs

@@ -1,4 +1,4 @@
-mod input;
+mod buffer;
 mod parser;
 mod job;
 mod variables;
@@ -9,9 +9,10 @@ use std::process::{
     exit,
 };
 use variables::Variables;
+use buffer::Buffer;
 
 fn main() {
-    let mut buffer = input::Buffer::new();
+    let mut buffer = Buffer::new();
     let mut bytes_read: usize = 1;
     let mut exit_status: Option<Result<ExitStatus>>;
     let mut exit_code: i32 = 0;