feat: init Spring Boot project

src/main/java/com/example/bankcards/BankcardsApplication.java

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+package com.example.bankcards;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class BankcardsApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(BankcardsApplication.class, args);
+	}
+
+}

src/main/resources/application.properties

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+spring.application.name=bankcards

src/test/java/com/example/bankcards/BankcardsApplicationTests.java

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+package com.example.bankcards;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class BankcardsApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}