Polish IntelliJ IDEA plugin metadata

Closes gh-218

Author: snicoll

spring-javaformat-intellij/spring-javaformat-intellij-plugin/pom.xml

@@ -122,6 +122,21 @@
 		</dependency>
 	</dependencies>
 	<build>
+		<resources>
+			<resource>
+				<directory>${basedir}/src/main/resources</directory>
+				<filtering>true</filtering>
+				<includes>
+					<include>META-INF/plugin.xml</include>
+				</includes>
+			</resource>
+			<resource>
+				<directory>${basedir}/src/main/resources</directory>
+				<excludes>
+					<exclude>META-INF/plugin.xml</exclude>
+				</excludes>
+			</resource>
+		</resources>
 		<plugins>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>

spring-javaformat-intellij/spring-javaformat-intellij-plugin/src/main/resources/META-INF/plugin.xml

@@ -1,9 +1,11 @@
-<idea-plugin version="2">
+<idea-plugin url="https://github.com/spring-io/spring-javaformat">
 	<id>spring-javaformat</id>
-	<name>spring-javaformat</name>
-	<version>1.0</version>
-	<vendor url="https://github.com/spring-io/spring-javaformat">Spring</vendor>
-	<description><![CDATA[Code formatter for Spring.]]></description>
+	<name>Spring Javaformat</name>
+	<description>A source formatter that applies wrapping and whitespace conventions to
+		provide a consistent “Spring” style.
+	</description>
+	<version>${project.version}</version>
+	<vendor url="https://spring.io">Spring</vendor>
 	<idea-version since-build="162.0"/>
 	<depends>org.jetbrains.idea.maven</depends>
 	<depends>org.jetbrains.plugins.gradle</depends>