Automatically load particles that are added to or updated in the particles folder

src/main/java/com/alttd/models/ParticleData.java

@@ -36,6 +36,14 @@ import java.util.List;
 @Setter
 @Getter
 public class ParticleData {
+    // TODO add optional property for a list of users that can use the particle
+    //  If that list is present the particle should be loaded as a dev particle
+    //  Dev particles should disable all others while in use and all be grouped together
+    //  (since the dev should know what each particle is and does)
+    //  Seeing dev particles should require a permission
+    @JsonProperty("user_list")
+    private List<String> userList;
+
     @JsonProperty("particle_name")
     private String particleName;