Added documentation

src/main.rs

@@ -1,11 +1,23 @@
+/*
+Program: Bibliofile
+Language: Rustc 1.68.0
+ide: Visual Studio Code
+Operating system: Linux Mint 21.1
+Purpose: ncurses based ereader and library manager for Linux terminal environments. 
+Last edited: 10:18 PM 3/16/23
+*/
+
 use std::fs::File;
 use std::io::prelude::*;
 use std::env;
 extern crate ncurses;
 
+
+//initial function. Reads the ebook passed by argument.
+//TODO: add visual library to pull up ebooks.
 fn main() -> std::io::Result<()>  {
     let args: Vec<String> = env::args().collect();
-    
+
     let filename = &args[1];
     
     let mut file = File::open(filename).expect("cannot open file.");
@@ -19,10 +31,12 @@ fn main() -> std::io::Result<()>  {
     
 }
 
+
+//screen init function
 fn screen(){
 
     ncurses::initscr();
-    ncurses::printw("Hello World!");
+    ncurses::addstr("Hello World!");
     ncurses::refresh();
     ncurses::getch();
     ncurses::endwin();