Moved to a "cleaner" directory structure

ref #11

src/models/entities/RunnerTeam.ts

@@ -0,0 +1,19 @@
+import { Entity, Column, ManyToOne, ChildEntity } from "typeorm";
+import { IsNotEmpty } from "class-validator";
+import { RunnerGroup } from "./RunnerGroup";
+import { RunnerOrganisation } from "./RunnerOrganisation";
+
+/**
+ * Defines a runner team (class or deparment for example).
+*/
+@ChildEntity()
+export class RunnerTeam extends RunnerGroup {
+
+  /**
+   * The team's parent group.
+   * Optional
+   */
+  @IsNotEmpty()
+  @ManyToOne(() => RunnerOrganisation, org => org.teams, { nullable: true })
+  parentGroup?: RunnerOrganisation;
+}