Switch config paths to use /mnt directory

Updated file paths for configuration and message files to use the /mnt directory instead of the user's home directory.

src/main/java/com/alttd/playerutils/config/Config.java

@@ -11,8 +11,8 @@ public class Config extends AbstractConfig{
 
     Config(Logger logger) {
         super(
-                new File(System.getProperty("user.home") + File.separator
-                        + "share" + File.separator
+                new File(File.separator
+                        + "mnt" + File.separator
                         + "configs" + File.separator
                         + "PlayerUtils"),
                 "config.yml", logger);

src/main/java/com/alttd/playerutils/config/Messages.java

@@ -11,8 +11,8 @@ public class Messages extends AbstractConfig {
 
     Messages(Logger logger) {
         super(
-                new File(System.getProperty("user.home") + File.separator
-                        + "share" + File.separator
+                new File(File.separator
+                        + "mnt" + File.separator
                         + "configs" + File.separator
                         + "PlayerUtils"),
                 "messages.yml", logger);