Repository reorganisation

Unified kotlin and java into just src/main
Unified the rs09 and core packages
Took all content out of the core package, and placed it into the new content package
Reorganised all source code relating to content to be easier to find and explore

Server/pom.xml

@@ -5,7 +5,7 @@
   <artifactId>server</artifactId>
   <version>1.0.0</version>
   <properties>
-    <project.mainClassName>rs09.Server</project.mainClassName>
+    <project.mainClassName>core.Server</project.mainClassName>
     <kotlin.compiler.incremental>true</kotlin.compiler.incremental>
     <kotlin.version>1.6.21</kotlin.version>
     <kotlin.comipler.jvmTarget>1.6</kotlin.comipler.jvmTarget>
@@ -93,6 +93,8 @@
   </dependencies>
 
   <build>
+    <sourceDirectory>src/main</sourceDirectory>
+    <testSourceDirectory>src/test</testSourceDirectory>
     <plugins>
 
       <!-- Installs our local dependencies (const/extension libraries) to a local maven repo) -->
@@ -173,8 +175,7 @@
             </goals>
             <configuration>
               <sourceDirs>
-                <sourceDir>${project.basedir}/src/main/kotlin</sourceDir>
-                <sourceDir>${project.basedir}/src/main/java</sourceDir>
+                <sourceDir>${project.basedir}/src/main</sourceDir>
               </sourceDirs>
             </configuration>
           </execution>
@@ -258,7 +259,7 @@
         <artifactId>exec-maven-plugin</artifactId>
         <version>1.2.1</version>
         <configuration>
-          <mainClass>rs09.Server</mainClass>
+          <mainClass>core.Server</mainClass>
         </configuration>
       </plugin>
         <plugin>
@@ -278,7 +279,7 @@
                                   classname="io.gitlab.arturbosch.detekt.cli.Main"
                                   classpathref="maven.plugin.classpath">
                                 <arg value="--input"/>
-                                <arg value="${basedir}/src/main/kotlin"/>
+                                <arg value="${basedir}/src/main"/>
                                 <arg value="--excludes"/>
                                 <arg value="**/special/package/internal/**"/>
                                 <arg value="--report"/>