Finish front-end server modification changes.

Everything is back to the point that it was before this massive code overhaul began. FInal steps before merging this into develop will be some unit tests.

app/Contracts/Repository/EggVariableRepositoryInterface.php

@@ -9,6 +9,16 @@
 
 namespace Pterodactyl\Contracts\Repository;
 
+use Illuminate\Support\Collection;
+
 interface EggVariableRepositoryInterface extends RepositoryInterface
 {
+    /**
+     * Return editable variables for a given egg. Editable variables must be set to
+     * user viewable in order to be picked up by this function.
+     *
+     * @param int $egg
+     * @return \Illuminate\Support\Collection
+     */
+    public function getEditableVariables(int $egg): Collection;
 }

app/Contracts/Repository/ServerRepositoryInterface.php

@@ -9,6 +9,7 @@
 
 namespace Pterodactyl\Contracts\Repository;
 
+use Pterodactyl\Models\Server;
 use Pterodactyl\Contracts\Repository\Attributes\SearchableInterface;
 
 interface ServerRepositoryInterface extends RepositoryInterface, SearchableInterface
@@ -52,6 +53,19 @@ interface ServerRepositoryInterface extends RepositoryInterface, SearchableInter
      */
     public function getVariablesWithValues($id, $returnAsObject = false);
 
+    /**
+     * Get the primary allocation for a given server. If a model is passed into
+     * the function, load the allocation relationship onto it. Otherwise, find and
+     * return the server from the database.
+     *
+     * @param int|\Pterodactyl\Models\Server $server
+     * @param bool                           $refresh
+     * @return \Pterodactyl\Models\Server
+     *
+     * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
+     */
+    public function getPrimaryAllocation($server, bool $refresh = false): Server;
+
     /**
      * Return enough data to be used for the creation of a server via the daemon.
      *