add spring security and token management

pom.xml

@@ -17,6 +17,59 @@
 		<java.version>11</java.version>
 	</properties>
 	<dependencies>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-security</artifactId>
+			<version>2.5.4</version>
+			<exclusions>
+				<exclusion>
+					<groupId>org.springframework.security</groupId>
+					<artifactId>spring-security-web</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.springframework.security</groupId>
+					<artifactId>spring-security-config</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.security.oauth.boot</groupId>
+			<artifactId>spring-security-oauth2-autoconfigure</artifactId>
+			<version>2.5.2</version>
+			<exclusions>
+				<exclusion>
+					<groupId>org.springframework.security</groupId>
+					<artifactId>spring-security-web</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.springframework.security</groupId>
+					<artifactId>spring-security-config</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.security</groupId>
+			<artifactId>spring-security-web</artifactId>
+			<version>5.3.9.RELEASE</version>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.security</groupId>
+			<artifactId>spring-security-config</artifactId>
+			<version>5.3.9.RELEASE</version>
+		</dependency>
+
+		<dependency>
+			<groupId>io.jsonwebtoken</groupId>
+			<artifactId>jjwt</artifactId>
+			<version>0.9.1</version>
+		</dependency>
+		<dependency>
+			<groupId>com.nimbusds</groupId>
+			<artifactId>nimbus-jose-jwt</artifactId>
+			<version>8.19</version>
+		</dependency>
+
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-data-jpa</artifactId>
@@ -34,20 +87,16 @@
 			<artifactId>brave</artifactId>
 			<version>5.16.0</version>
 		</dependency>
-
+		<dependency>
+			<groupId>org.apache.velocity</groupId>
+			<artifactId>velocity-engine-core</artifactId>
+			<version>2.3</version>
+		</dependency>
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-lang3</artifactId>
 			<version>3.12.0</version>
 		</dependency>
-
-		<dependency>
-			<groupId>org.apache.velocity</groupId>
-			<artifactId>velocity</artifactId>
-			<version>1.7</version>
-		</dependency>
-
-
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-devtools</artifactId>