print in main, doc and add text jap

README.md

@@ -1,9 +1,8 @@
 # Œufman
-
-## Arrangement in the file
-```
-Size header -> u32
-Size tree -> u32
-Tree -> {<1, Node>, <0, leaf>}
+## How to use 
 ```
+    --compress  , -c <intput> [<output>]     To compress a file.
+    --uncompress, -u <intput> [<output>]     To uncompress a file.
+    --print     , -p  <input>                 To print a file compressed.
 
+```