updated readme for v0.3.0

Author: marcelo-q

README.md

@@ -20,6 +20,14 @@ npm run watch
 |02|entityId|`string`|Entity ID - Example: '3'|
 |03|chainId|`string`|Chain ID - Example: 'R'|
 |04|subscribeEvents|`boolean`| Default - `false`|
+|05|apiData|`ApiData`| Default - `undefined` |
+|06|FR3DData|`JSON`| Default - `undefined` |
+
+apiData and FR3DData are automatically retrieved using pdbeId, entityId and chainId if not set on options
+
+See data examples at:
+- APIData: https://www.ebi.ac.uk/pdbe/static/entry/7v08_4_3.json
+- FR3DData: https://www.ebi.ac.uk/pdbe/static/entry/7v08_3_basepair.json
 
 ## Web app implementation
 **Refer index.html and component.html for implementation example**