adding more about MIDI configuration

src/API.ts

@@ -234,14 +234,13 @@ export class UserAPI {
   // MIDI related functions
   // =============================================================
 
-  public midi_outputs = (): Array<MIDIOutput> => {
+  public midi_outputs = (): void => {
     /**
      * Prints a list of available MIDI outputs in the console.
      *
      * @returns A list of available MIDI outputs
      */
     this._logMessage(this.MidiConnection.listMidiOutputs());
-    return this.MidiConnection.midiOutputs;
   };
 
   public midi_output = (outputName: string): void => {

src/Documentation.ts

@@ -581,14 +581,25 @@ You can use Topos to play MIDI thanks to the [WebMIDI API](https://developer.moz
 
 Your web browser is capable of sending and receiving MIDI information through the [Web MIDI API](https://developer.mozilla.org/en-US/docs/Web/API/Web_MIDI_API). The support for MIDI on browsers is a bit shaky. Please, take some time to configure and test. To our best knowledge, **Chrome** is currently leading on this feature, followed closely by **Firefox**. The other major web browsers are also starting to support this API. **There are two important functions for configuration:**
 
-- <icode>midi_outputs()</icode>: prints the list of available MIDI devices to the web console. You will have to open the web console using ${key_shortcut("Ctrl+Shift+I")} or sometimes ${key_shortcut("F12")}. You can also open it from the menu of your web browser.
+- <icode>midi_outputs()</icode>: prints the list of available MIDI devices on the screen. You will have to open the web console using ${key_shortcut("Ctrl+Shift+I")} or sometimes ${key_shortcut("F12")}. You can also open it from the menu of your web browser. **Note:** close the docs to see it printed.
+
 
 ${makeExample(
 	"Listing MIDI outputs",
 `
-log(midi_outputs())
+midi_outputs()
 `, true)}
 
+- <icode>midi_output(output_name: string)</icode>: enter your desired output to connect to it.
+
+${makeExample(
+	"Listing MIDI outputs",
+`
+midi_output("MIDI Rocket-Trumpet")
+`, true)}
+
+That's it! You are now ready to play with MIDI.
+
 ## Notes
 - <icode>midi(note: number|object)</icode>: send a MIDI Note. Object can take parameters {note: number, channel: number, port: number|string, velocity: number}.
 	

src/IO/MidiConnection.ts

@@ -119,14 +119,15 @@ export class MidiConnection{
       }
     }
   
-    public listMidiOutputs(): void {
+    public listMidiOutputs(): string {
       /**
        * Lists all available MIDI outputs to the console.
        */
-      console.log('Available MIDI Outputs:');
+			let final_string = 'Available MIDI Outputs: ';
       this.midiOutputs.forEach((output, index) => {
-        console.log(`${index + 1}. ${output.name}`);
+        final_string += `(${index + 1}) ${output.name} `;
       });
+			return final_string;
     }
 
     public sendMidiNote(noteNumber: number, channel: number, velocity: number, duration: number, port: number|string = this.currentOutputIndex, bend: number|undefined = undefined): void {