Add and apply spotless. (#85)

* Adding spotless dependency.

* Applying spotless.

* Changing tab size to 4 spaces.

chameleon-server/src/main/java/com/chameleonvision/common/configuration/ConfigFolder.java

@@ -2,11 +2,10 @@ package com.chameleonvision.common.configuration;
 
 public class ConfigFolder {
 
-    /**
-     * Represents a folder of config files
-     * @param path path to config file
-     */
-    public ConfigFolder(String path) {
-
-    }
+	/**
+	* Represents a folder of config files
+	*
+	* @param path path to config file
+	*/
+	public ConfigFolder(String path) {}
 }