feat: robot & run association

server/src/models/associations.ts

@@ -0,0 +1,7 @@
+import Robot from './Robot';
+import Run from './Run';
+
+export default function setupAssociations() {
+  Run.belongsTo(Robot, { foreignKey: 'robotId' });
+  Robot.hasMany(Run, { foreignKey: 'robotId' });
+}