Set up overview screen with click handlers

src/Edge.ts

@@ -0,0 +1,19 @@
+import { mp5 } from '../main';
+import { colors } from './constants/colors';
+
+export class Edge {
+  x: number;
+  y: number;
+  r: number;
+
+  constructor(x: number, y: number, r: number) {
+    this.x = x;
+    this.y = y;
+    this.r = r;
+  }
+
+  draw() {
+    mp5.fill(mp5.color(colors.grey));
+    mp5.ellipse(this.x, this.y, this.r * 2);
+  }
+}