added keyboard shortcuts to Tutorial under CANVAS

Author: eddypjr

app/src/tutorial/Canvas.tsx

@@ -29,6 +29,28 @@ const Canvas: React.FC<{
       <p className={classes.text}>Select a <span className={classes.notLink} onClick={() => setPage('Reusable_Components')} >reusable component</span>, click and hold to drag on to a page.<br/>
       Drag the selected item on to the center canvas.</p>
       <hr/>
+      <h1 className={classes.title}>Keyboard Shortcuts</h1>
+        <h2 className={classes.text}>Mac</h2>
+          <ul className={classes.text}>
+            <li>Undo: Command + z</li>
+            <li>Redo: Command + Shift + z</li>
+            <li>Save Project As: Command + s</li>
+            <li>Save Project: Command + shift + s</li>
+            <li>Delete HTML Tag on Canvas: Backspace</li>
+            <li>Delete Project: Command + Backspace</li>
+            <li>Open Project: Command + o</li>
+          </ul>
+        <h2 className={classes.text}>Windows</h2>
+          <ul className={classes.text}>
+            <li>Undo: Control + z</li>
+            <li>Redo: Control + Shift + z</li>
+            <li>Save Project As: Control + s</li>
+            <li>Save Project: Control + shift + s</li>
+            <li>Delete HTML Tag on Canvas: Backspace</li>
+            <li>Delete Project: Control + Backspace</li>
+            <li>Open Project: Control + o</li>
+          </ul>
+        <hr/>
     </div>
   );
 };