Added a basic README.

README.md

@@ -0,0 +1,17 @@
+# PI Archive
+
+Only works for single files, and is slooooooow. And when I say slow, I mean really slow.
+And the compression rate? Not so god, in fact, the result is larger than the original.
+But hey, it works! And it's using freaking PI!!!
+
+## Compress
+
+```shell
+$ piar -c my_file.txt my_file.pi
+```
+
+## Decompress
+
+```shell
+$ piar -d my_file.pi my_file.txt
+```

src/main.rs

@@ -18,7 +18,6 @@ use pbr::{ProgressBar, Units};
 
 mod bbp;
 
-
 fn main() {
     let args: Vec<String> = env::args().collect();
     let program = args[0].clone();