fix: reference the test adapter/modes in terra-draw.extensions.spec.ts

guides/7.DEVELOPMENT.md

@@ -120,6 +120,8 @@ public render(
 ): void;
 ```
 
+You can see a very basic example adapter in the `terra-draw.extensions.spec.ts` file. It shows how you can create your own adapter from the publicly exposed library imports.
+
 ## Mode Anatomy
 
 Modes are not just limited to drawing features, for example the built-in `TerraDrawSelectMode` allows for selection and editing of geometries that have previously been drawn. The `TerraDrawRenderMode` is a "view only" Mode useful for showing non-editable data alongside editable data in your application.
@@ -163,6 +165,8 @@ onDragEnd(event: TerraDrawMouseEvent) {}
 styleFeature(feature: GeoJSONStoreFeatures): TerraDrawAdapterStyling {}
 ```
 
+You can see a very basic example mode in the `terra-draw.extensions.spec.ts` file. It shows how you can create your own mode from the publicly exposed library imports.
+
 ## Precommit Hooks
 
 It is probably useful to be aware of the precommit hooks you will face when trying to run a git commit on the project. There are two currently in use, namely:

src/terra-draw.extensions.spec.ts

@@ -7,7 +7,6 @@
  * of the library.
  */
 
-import { exp } from "protomaps-leaflet";
 import { CustomStyling } from "./modes/base.mode";
 import {
 	GeoJSONStoreFeatures,