Added Basic Scan interface

ref #11

src/models/IScan.ts

@@ -0,0 +1,19 @@
+/**
+ * Defines the scan interface.
+*/
+export interface IScan {
+  /**
+   * Autogenerated unique id (primary key).
+   */
+  id: number;
+
+  /**
+   * The associated runner.
+   */
+  runner: Runner;
+
+  /**
+   * The scan's distance in meters.
+   */
+  distance: number;
+}