[FSTORE-1389] Update examples for creating project and secret (logicalclocks#383)

Author: robzor92

docs/user_guides/projects/project/create_project.md

@@ -62,13 +62,13 @@ Once the project is created the overview page for it will appear.
 ```python
 import hopsworks
 
-connection = hopsworks.connection()
+hopsworks.login()
 ```
 
 ### Step 2: Create project
 
 ```python
-project = connection.create_project("my_project")
+project = hopsworks.create_project("my_project")
 ```
 
 ### API Reference

docs/user_guides/projects/secrets/create_secret.md

@@ -51,9 +51,9 @@ If the secret should be private to this user, select `Private`, to share the sec
 ```python
 import hopsworks
 
-connection = hopsworks.connection()
+hopsworks.login()
 
-secrets_api = connection.get_secrets_api()
+secrets_api = hopsworks.get_secrets_api()
 ```
 
 ### Step 2: Create secret