Update README.md

README.md

@@ -8,3 +8,28 @@ After cloning this repo, open a workspace in Cuis and type:
 ```Smalltalk
 Feature require: #'BrainFuck'.
 ```
+
+## To try it out
+```Smalltalk
+(BFInterpreter program: myBrainFuckProgramInAString) executeProgram.
+```
+### You can find some examples in BFInterpreter's class side methods, categorized under "examples".
+
+The output is sent to the Transcript. 
+![hello_bf](https://github.com/thiagoslino/BrainFuck/assets/1688134/e2437dff-7237-4fa5-a153-5e3d74012aed)
+
+### You can output to any stream (outputTo:) and to a file (outputToFile:).
+![file_bf](https://github.com/thiagoslino/BrainFuck/assets/1688134/ba05d7d9-e82a-454c-bf14-067a0fabc0ba)
+
+### You can read a program from a file (using programFile:)
+```Smalltalk
+| p |
+p := BFInterpreter programFile: '/path/to/file'.
+p executeProgram. 
+```
+
+## References
+
+-  http://www.squeaksource.com/BrainFuck.html
+-  https://blog.klipse.tech/brainfuck/2016/12/17/brainfuck.html
+-  https://esolangs.org/wiki/Brainfuck_implementations