adding jpa and db connection test

pom.xml

@@ -46,7 +46,10 @@
 			<artifactId>spring-boot-starter-websocket</artifactId>
 			<version>2.0.4.RELEASE</version>
 		</dependency>
-
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>

src/main/java/pl/sebastianbrzustowicz/CrudApp/MySqlConnectionTest.java

@@ -0,0 +1,18 @@
+package pl.sebastianbrzustowicz.CrudApp;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+
+public class MySqlConnectionTest {
+    public static void main(String[] args) {
+        String url = "jdbc:mysql://localhost:3306/robotTaskerApi?useSSL=false&allowPublicKeyRetrieval=true";
+        String user = "root";
+        String password = "sebastian";
+
+        try (Connection connection = DriverManager.getConnection(url, user, password)) {
+            System.out.println("Connected to the database!");
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}

src/main/resources/application.properties

@@ -1,3 +1,3 @@
-spring.datasource.url=jdbc:mysql://localhost:3306/robotTaskerApi?useSSL=false
+spring.datasource.url=jdbc:mysql://localhost:3306/robotTaskerApi?useSSL=false&allowPublicKeyRetrieval=true
 spring.datasource.username=root
 spring.datasource.password=sebastian