Task 31 : Add Java Doc for RedisConfig

src/main/java/com/springboot/ratelimiter/config/RedisConfig.java

@@ -8,14 +8,32 @@
 import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
 import org.springframework.data.redis.serializer.StringRedisSerializer;
 
+/**
+ * Configuration class named {@link RedisConfig} to set up Redis in the application.
+ */
 @Configuration
 public class RedisConfig {
 
+    /**
+     * Creates a {@link RedisConnectionFactory} using Lettuce.
+     * The {@link LettuceConnectionFactory} is a connection factory driven by the Lettuce Redis client library.
+     *
+     * @return a {@link RedisConnectionFactory} instance
+     */
     @Bean
     public RedisConnectionFactory redisConnectionFactory() {
         return new LettuceConnectionFactory();
     }
 
+    /**
+     * Creates a {@link RedisTemplate} for interacting with Redis.
+     * The {@link RedisTemplate} provides high-level abstraction for Redis interactions, allowing for
+     * efficient and convenient Redis data access. The template uses a {@link StringRedisSerializer} for
+     * serializing keys and a {@link GenericJackson2JsonRedisSerializer} for serializing values.
+     *
+     * @param redisConnectionFactory the {@link RedisConnectionFactory} to use for the template
+     * @return a configured {@link RedisTemplate} instance
+     */
     @Bean
     public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
         RedisTemplate<String, Object> template = new RedisTemplate<>();