Add ability to add/delete exercises from dropdown

app.py

@@ -305,10 +305,10 @@ def update_exercise(exercise_id):
     return render_template('partials/exercise.html', exercise_id=exercise_id, name=new_name)
 
 
-@ app.route("/exercise/<int:exercise_id>/delete", methods=['DELETE'])
+""" @ app.route("/exercise/<int:exercise_id>/delete", methods=['DELETE'])
 def delete_exercise(exercise_id):
     db.delete_exercise(exercise_id)
-    return ""
+    return "" """
 
 
 @ app.route("/settings")
@@ -454,7 +454,16 @@ def edit_exercise_name(exercise_id):
         updated_exercise = db.exercises.update_exercise_name(exercise_id, updated_name)
         return render_template('partials/exercise/exercise_list_item.html', exercise=updated_exercise)
 
+@app.route("/exercises/add", methods=['POST'])
+def add_exercise():
+    exercise_name = request.form['query']
+    new_exercise = db.exercises.add_exercise(exercise_name)
+    return render_template('partials/exercise/exercise_list_item.html', exercise=new_exercise)
 
+@ app.route("/exercise/<int:exercise_id>/delete", methods=['DELETE'])
+def delete_exercise(exercise_id):
+    db.exercises.delete_exercise(exercise_id)
+    return ""
 
 @app.teardown_appcontext
 def closeConnection(exception):