Adding changelog and javadocs

Signed-off-by: Joshua Palis <[email protected]>

CHANGELOG.md

@@ -18,6 +18,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.1.0/)
 - Add guardrails to default use case params ([#658](https://github.com/opensearch-project/flow-framework/pull/658))
 - Allow strings for boolean workflow step parameters ([#671](https://github.com/opensearch-project/flow-framework/pull/671))
 - Add optional delay parameter to no-op step ([#674](https://github.com/opensearch-project/flow-framework/pull/674))
+- Add model interface support for remote and local custom models ([#701](https://github.com/opensearch-project/flow-framework/pull/701))
 
 ### Bug Fixes
 - Reset workflow state to initial state after successful deprovision ([#635](https://github.com/opensearch-project/flow-framework/pull/635))

src/main/java/org/opensearch/flowframework/util/ParseUtils.java

@@ -452,6 +452,12 @@ public static String removingBackslashesAndQuotesInArrayInJsonString(String inpu
         return result.toString();
     }
 
+    /**
+     * Takes a String to json object map and converts this to a String to String map
+     * @param stringToObjectMap The string to object map to be transformed
+     * @return the transformed map
+     * @throws Exception for issues processing map
+     */
     public static Map<String, String> convertStringToObjectMapToStringToStringMap(Map<String, Object> stringToObjectMap) throws Exception {
         try (Jsonb jsonb = JsonbBuilder.create()) {
             Map<String, String> stringToStringMap = new HashMap<>();