created database schema and added dummy data

Relates #1

src/db/db_build.sql

@@ -0,0 +1,30 @@
+BEGIN;
+
+DROP TABLE IF EXISTS users, scores CASCADE;
+
+CREATE TABLE users (
+  id SERIAL PRIMARY KEY,
+  name VARCHAR(50) NOT NULL,
+  email VARCHAR(80) UNIQUE NOT NULL,
+  pw_hash VARCHAR(100) NOT NULL,
+  admin BOOLEAN DEFAULT FALSE
+);
+
+CREATE TABLE scores (
+  id SERIAL PRIMARY KEY,
+  user_id INTEGER REFERENCES users(id) NOT NULL,
+  score FLOAT(4) NOT NULL, -- should give about 7 decimal places (4-bytes worth)
+  emotion VARCHAR(20),
+  img VARCHAR(100)
+)
+
+INSERT INTO users (name,email,pw_hash) VALUES
+('Nicolas Cage', '[email protected]', 'placeholder'),
+('Harry', '[email protected]', 'placeholder');
+
+INSERT INTO scores (user_id, score, emotion, img) VALUES
+(1, 1000.97657, 'Anger', 'nicolascage-anger-1' ), -- last number should be score id
+(2, 1.4736, 'Sadness', 'harry-sadness-1'), -- may need to include file extension at end of img
+(2, 20.4736, 'Disgust', 'harry-disgust-1');
+
+COMMIT;