Add configs and properties

src/main/kotlin/top/fatweb/api/config/SwaggerConfig.kt

@@ -0,0 +1,19 @@
+package top.fatweb.api.config
+
+import io.swagger.v3.oas.models.OpenAPI
+import io.swagger.v3.oas.models.info.Contact
+import io.swagger.v3.oas.models.info.Info
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import top.fatweb.api.constants.ServerConstants
+
+@Configuration
+class SwaggerConfig {
+
+    @Bean
+    fun customOpenAPI(): OpenAPI? {
+        val contact = Contact().name("FatttSnake").url("https://fatweb.top").email("fatttsnake@fatweb.top")
+        return OpenAPI().info(Info().title("FatWeb API 文档").description("FatWeb 后端 API 文档，包含各个 Controller 调用信息").contact(contact).version(
+            ServerConstants.version))
+    }
+}