Added UI elements for the new drawing system

Removed old gesture system
Refactored map interaction into separate component

src/components/map/controls/GridSnappingToggle.js

@@ -0,0 +1,21 @@
+import React from "react";
+import { IconButton } from "theme-ui";
+
+import GridOnIcon from "../../../icons/GridOnIcon";
+import GridOffIcon from "../../../icons/GridOffIcon";
+
+function GridSnappingToggle({ useGridSnapping, onGridSnappingChange }) {
+  return (
+    <IconButton
+      aria-label={
+        useGridSnapping ? "Disable Grid Snapping" : "Enable Grid Snapping"
+      }
+      title={useGridSnapping ? "Disable Grid Snapping" : "Enable Grid Snapping"}
+      onClick={() => onGridSnappingChange(!useGridSnapping)}
+    >
+      {useGridSnapping ? <GridOnIcon /> : <GridOffIcon />}
+    </IconButton>
+  );
+}
+
+export default GridSnappingToggle;