Refactor binary numbers to boolean to fix TypeScript type error (#6065)

Co-authored-by: Artur Arseniev <artur.catch@hotmail.it>

docs/getting-started.md

@@ -295,10 +295,10 @@ const editor = grapesjs.init({
         resizable: {
           maxDim: 350,
           minDim: 200,
-          tc: 0, // Top handler
-          cl: 1, // Left handler
-          cr: 0, // Right handler
-          bc: 0, // Bottom handler
+          tc: false, // Top handler
+          cl: true, // Left handler
+          cr: false, // Right handler
+          bc: false, // Bottom handler
           // Being a flex child we need to change `flex-basis` property
           // instead of the `width` (default)
           keyWidth: 'flex-basis',