Update API_BASE_URL to reflect new MITOpen API Endpoint (#64)

* Change API_BASE_URL to the new mitopen URL

* Update API endpoint in README.md

* Fix abbreviation style for e.g.,

README.md

@@ -48,7 +48,7 @@ If you want to change this, you will not only have to change the `output_path` i
 
 By default, this project uses MIT Open's Production API, as given in `ocw_oer_export/config.py`.
 To use the RC API or local, create an environment file, `.env` in the project's root directory and add the relevant base URL:
-Eg. `API_BASE_URL=https://mitopen-rc.odl.mit.edu` or `API_BASE_URL=http://localhost:8063`
+e.g., `API_BASE_URL=https://api.mitopen-rc.odl.mit.edu` or `API_BASE_URL=http://localhost:8063`
 
 ## Requirements
 

ocw_oer_export/config.py

@@ -7,5 +7,5 @@
 
 load_dotenv()
 
-API_BASE_URL = os.getenv("API_BASE_URL", "https://mitopen.odl.mit.edu")
+API_BASE_URL = os.getenv("API_BASE_URL", "https://api.mitopen.odl.mit.edu")
 API_URL = f"{API_BASE_URL}/api/v1/courses/?platform=ocw"