Added simple tracks model

ref #3

src/models/Track.ts

@@ -0,0 +1,14 @@
+import {Entity, PrimaryGeneratedColumn, Column} from "typeorm";
+
+@Entity()
+export class Track {
+    @PrimaryGeneratedColumn()
+    id!: number;
+
+    @Column()
+    name!: string;
+
+    //Length in meters
+    @Column()
+    length!: string;
+}