JAVA-49: Moved maven-war-plugin to maven-modules

maven-modules/maven-war-plugin/README.md

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+## Maven WAR Plugin
+
+This module contains articles about the Maven WAR Plugin.
+
+### Relevant Articles
+
+- [Eclipse Error: web.xml is missing and failOnMissingWebXml is set to true](https://www.baeldung.com/eclipse-error-web-xml-missing)

maven-modules/maven-war-plugin/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.baeldung</groupId>
+    <artifactId>maven-war-plugin</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>maven-war-plugin</name>
+    <packaging>war</packaging>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-war-plugin</artifactId>
+                <!-- Update maven war plugin to 3.1.0 or higher -->
+                <version>${war.plugin.version}</version>
+                <configuration>
+                    <!-- Set failOnMissingWebXml configuration for maven war plugin -->
+                    <failOnMissingWebXml>false</failOnMissingWebXml>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <!-- Set failOnMissingWebXml as false in properties section -->
+    <properties>
+        <failOnMissingWebXml>false</failOnMissingWebXml>
+        <war.plugin.version>3.1.0</war.plugin.version>
+    </properties>
+
+</project>