Package OpenRewrite recipes as jar

rules/pom.xml

@@ -384,6 +384,25 @@
                   </includes>
                </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>generate-openrewrite-jar</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                        <configuration>
+                            <descriptors>
+                                <descriptor>src/main/assembly/rewrite.xml</descriptor>
+                            </descriptors>
+                            <appendAssemblyId>true</appendAssemblyId>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
             <!--
             we need to download the CSS files each time we generate the surefire report due to
             https://issues.apache.org/jira/browse/SUREFIRE-616

rules/src/main/assembly/rewrite.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<assembly xmlns="http://maven.apache.org/ASSEMBLY/2.1.1"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://maven.apache.org/ASSEMBLY/2.1.1 https://maven.apache.org/xsd/assembly-2.1.1.xsd">
+  <id>rewrite</id>
+  <formats>
+    <format>jar</format>
+  </formats>
+  <includeBaseDirectory>false</includeBaseDirectory>
+  <fileSets>
+    <fileSet>
+      <directory>rules-reviewed/openrewrite</directory>
+      <includes>
+        <include>**/*.yaml</include>
+        <include>**/*.yml</include>
+      </includes>
+      <outputDirectory>META-INF/rewrite</outputDirectory>
+    </fileSet>
+  </fileSets>
+</assembly>