Add count display.

src/main.rs

@@ -4,7 +4,8 @@ fn main() {
 	let file = args().nth(1).expect("Usage : boxon <file>");
 	let content = fs::read_to_string(&file).unwrap_or_else(|_| panic!("Could not read file '{file}'."));
 	let mut grid = Grid::from(content);
-	grid.fix();
+	let count = grid.fix();
+    println!("Fixed {count} characters.");
 	let content: String = grid.into();
 	fs::write(&file, content).unwrap_or_else(|_| panic!("Could not write result to file '{file}'."));
 }

test/out.txt

@@ -1,21 +1,19 @@
 
 this is a normalized data table diagram.
 
-+----------------+
+┌────────────────┐
-|USERS BY EMAIL  |
+│USERS BY EMAIL  │
-+--+-----+-------+
+├──┬─────┬───────┤
-|id|email|user_id|
+│id│email│user_id│
-+--+-----+-------+
+├──┼─────┼───────┤
-| 1|b@o.b|      1|
+│ 1│b@o.b│      1│
-| 2|c@r.l|      2|
+│ 2│c@r.l│      2│
-+--+-----+-------+
+└──┴─────┴───────┘
-  +---------------+
+  ┌───────────────┐
-  |USERS          |
+  │USERS          │
-  +--+--------+---+
+  ├──┬────────┬───┤
-  |id|    name|age|
+  │id│    name│age│
-  +--+--------+---+
+  ├──┼────────┼───┤
-  | 1|     bob| 19|
+  │ 1│     bob│ 19│
-  | 2| charlie| 23|
+  │ 2│ charlie│ 23│
-  +--+--------+---+
+  └──┴────────┴───┘
-
-