Add ability to connect to hear rate sensor and post data back to server on workout complete, currently not rendering graphing data

database/001_create_tables.sql

@@ -25,6 +25,14 @@ CREATE TABLE
         CONSTRAINT unique_cadence_reading_per_workout_time UNIQUE (workout_id, created_at)
     );
 
+CREATE TABLE
+    heartrate_readings (
+        id SERIAL PRIMARY KEY,
+        workout_id INTEGER NOT NULL REFERENCES workouts (id) ON DELETE CASCADE,
+        created_at TIMESTAMP NOT NULL,
+        bpm INTEGER NOT NULL
+    );
+
 CREATE TABLE
     bikes (
         id SERIAL PRIMARY KEY,