Revert "Temporarily remove authorization-server sample"

This reverts commit c68696343a.

servlet/spring-boot/java/oauth2/authorization-server/build.gradle

@@ -0,0 +1,29 @@
+plugins {
+	id 'org.springframework.boot' version '3.0.0-SNAPSHOT'
+	id 'io.spring.dependency-management' version '1.0.11.RELEASE'
+	id "nebula.integtest" version "8.2.0"
+	id 'java'
+}
+
+repositories {
+	mavenCentral()
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/snapshot" }
+}
+
+ext["micrometer.version"] = "1.10.0-SNAPSHOT"
+
+dependencies {
+	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'org.springframework.security:spring-security-oauth2-authorization-server:1.0.0-M1'
+
+	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+	testImplementation 'org.springframework.security:spring-security-test'
+
+	integTestImplementation 'net.sourceforge.htmlunit:htmlunit'
+}
+
+tasks.withType(Test).configureEach {
+	useJUnitPlatform()
+	outputs.upToDateWhen { false }
+}