Refactor route validations to decorators

swagger/delete_workout.yml

@@ -0,0 +1,17 @@
+Delete workout
+Deletes selected workout completed by a person
+---
+tags:
+  - Workout
+parameters:
+  - name: person_id
+    in: path
+    type: number
+    required: true
+  - name: workout_id
+    in: path
+    type: number
+    required: true
+responses:
+  200:
+    description: Redirect to workouts list page for person