fix mdlint issues & add gif

add gif with terminal run of apify create command
fix mdlint issue around blank space near codeblock

Author: TC-MO

docs/01_overview/images/apify-create.gif

@@ -55,9 +55,12 @@ apify create my-first-actor --template python-start
 
 This will create a new folder called `my-first-actor`, download and extract the "Getting started with Python" Actor template there, create a virtual environment in `my-first-actor/.venv`, and install the Actor dependencies in it.
 
+![actor create command run](../01_overview/images/apify-create.gif)
+
 #### Running the Actor
 
 To run the Actor, you can use the [`apify run` command](/cli/docs/reference#apify-run):
+
 ```bash
 cd my-first-actor
 apify run