Add view of all component types

src/main/java/com/saicone/rtag/data/ComponentType.java

@@ -14,6 +14,7 @@
 import java.lang.invoke.MethodHandle;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Optional;
@@ -170,6 +171,15 @@ public static Object of(String name) {
         return TYPES.get(key(name));
     }
 
+    /**
+     * Get all DataComponentType objects associated with its ID.
+     *
+     * @return an unmodifiable view of all types.
+     */
+    public static Map<String, Object> all() {
+        return Collections.unmodifiableMap(TYPES);
+    }
+
     /**
      * Get declared codec from DataComponentType instance or ID.<br>
      * Take in count that not all the component types provide a codec instance.