WAD Loading

First run of WAD loading. Is able to read the header of the WAD
file.

src/main.rs

@@ -1,3 +1,18 @@
+mod wadutils;
+
 fn main() {
-    println!("Hello, world!");
+    let wad_file = wadutils::load_wad("WADs/doom1.wad");
+
+    println!(
+        "WAD Path: {}
+        
+Header:
+    Identifier: {}
+    Lump Count: {}
+    Initial Offset: {}",
+        wadutils::get_wad_path(&wad_file),
+        wadutils::get_wad_type(&wad_file),
+        wadutils::get_num_lumps(&wad_file),
+        wadutils::get_init_offset(&wad_file)
+    );
 }