- Added Flyway sql scripts

- Added SQL constraints added to respective tables see list below:
-- video_playlist: video_id playlist_id
-- Foreign keys reference originals, on delete cascade on both
- Added Java JPA Entity column name mapping to snake_case instead of using base Java camelCase

pom.xml

@@ -44,14 +44,22 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-webmvc</artifactId>
 		</dependency>
-
 		<dependency>
 			<groupId>org.projectlombok</groupId>
 			<artifactId>lombok</artifactId>
 			<version>1.18.40</version>
 			<scope>provided</scope>
 		</dependency>
-
+		<dependency>
+			<groupId>org.flywaydb</groupId>
+			<artifactId>flyway-database-postgresql</artifactId>
+			<version>12.0.3</version>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-flyway</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>org.postgresql</groupId>
 			<artifactId>postgresql</artifactId>
@@ -81,6 +89,17 @@
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-maven-plugin</artifactId>
 			</plugin>
+			<plugin>
+			<groupId>org.flywaydb</groupId>
+			<artifactId>flyway-maven-plugin</artifactId>
+			<version>12.0.1</version>
+				<configuration>
+					<url>jdbc:postgresql://127.0.0.1:5432/videos</url>
+					<user>postgres</user>
+					<password>5995</password>
+					<cleanDisabled>false</cleanDisabled>
+				</configuration>
+		</plugin>
 		</plugins>
 	</build>