Implements language selection properly

Adds a configuration option for the plugin language
Loads the selected language instead of always loading "en"
Makes sure the language is updated upon reloading

src/main/java/net/knarcraft/blacksmith/BlacksmithPlugin.java

@@ -51,6 +51,8 @@ public class BlacksmithPlugin extends JavaPlugin {
      */
     public void reload() {
         config.load();
+        this.reloadConfig();
+        Translator.loadLanguages(this.getConfig().getString("language", "en"));
     }
 
     @Override
@@ -73,7 +75,7 @@ public class BlacksmithPlugin extends JavaPlugin {
         config = new GlobalSettings(this);
         config.load();
 
-        Translator.loadLanguages("en");
+        Translator.loadLanguages(fileConfiguration.getString("language", "en"));
 
         //Set up Vault integration
         if (!setUpVault()) {