added README

README.md

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+# easybf / DrBrainf\*ck
+
+This is the repo for the PF1 final project of _Claudio Maggioni_ and 
+_Tommaso Rodolfo Masera_.
+
+## Running
+
+Run the file `gui.rkt` using *DrRacket* or the `racket` CLI tool.
+
+## Current features
+
+- Brainf\*ck interpreter works for the instructions `[`, `]` `+`, `-`, `<`, `>`
+  , `.`;
+- Done simple editor GUI with *Run* button and output window.
+
+## Bugs
+
+- `[` and `]` are not brainf\*ck compliant since the interpreter does not 
+  search for the matching bracket but it considers the nearest bracket;
+- `,` function not implemented (will crash the program if encountered);
+- No validation or user-friendly error handling.