maven central deployment related changes

Author: rp-bg

README.md

@@ -23,7 +23,7 @@ Add the following dependency to your `pom.xml`:
 
 ```xml
 <dependency>
-    <groupId>com.appxiom.ax.tuple</groupId>
+    <groupId>com.appxiom.ax</groupId>
     <artifactId>ax-tuple</artifactId>
     <version>1.0.6</version>
 </dependency>

pom.xml

@@ -7,12 +7,38 @@
     <groupId>com.appxiom.ax</groupId>
     <artifactId>ax-tuple</artifactId>
     <version>1.0.6</version>
- 
+    <packaging>jar</packaging>
+
+    <name>ax-tuple-java</name>
+    <description>A simple, lightweight, and immutable Tuple implementation for Java projects</description>
+    <url>https://github.com/basilgregory/ax-tuple-java</url>
+
+    <licenses>
+        <license>
+            <name>MIT License</name>
+            <url>https://opensource.org/licenses/MIT</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+
+    <developers>
+        <developer>
+            <id>appxiom</id>
+            <name>Appxiom Team</name>
+            <url>https://www.appxiom.com</url>
+        </developer>
+    </developers>
+
+    <scm>
+        <connection>scm:git:git://github.com/basilgregory/ax-tuple-java.git</connection>
+        <developerConnection>scm:git:ssh://github.com:basilgregory/ax-tuple-java.git</developerConnection>
+        <url>https://github.com/basilgregory/ax-tuple-java</url>
+    </scm>
+
     <distributionManagement>
         <repository>
-            <id>github</id>
-            <name>GitHub Packages</name>
-            <url>https://maven.pkg.github.com/basilgregory/ax-tuple-java</url>
+            <id>central</id>
+            <url>https://central.sonatype.com/api/v1/publisher</url>
         </repository>
     </distributionManagement>
 
@@ -54,6 +80,61 @@
                 <artifactId>maven-surefire-plugin</artifactId>
                 <version>3.2.2</version>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+                <version>3.3.0</version>
+                <executions>
+                    <execution>
+                        <id>attach-sources</id>
+                        <goals>
+                            <goal>jar-no-fork</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <version>3.6.3</version>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-gpg-plugin</artifactId>
+                <version>3.1.0</version>
+                <executions>
+                    <execution>
+                        <id>sign-artifacts</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>sign</goal>
+                        </goals>
+                        <configuration>
+                            <gpgArguments>
+                            <arg>--pinentry-mode</arg>
+                            <arg>loopback</arg>
+                            </gpgArguments>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.sonatype.central</groupId>
+                <artifactId>central-publishing-maven-plugin</artifactId>
+                <version>0.4.0</version>
+                <extensions>true</extensions>
+                <configuration>
+                    <publishingServerId>central</publishingServerId>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 </project>