docs: removes quickstart (reducing to 1 quickstart on site) | updates creating an app page (#1575)

Author: lukegalbraithrussell

docs/english/_sidebar.json

@@ -5,8 +5,6 @@
 		"label": "Bolt for Python",
 		"className": "sidebar-title"
 	},
-	"tools/bolt-python/getting-started",
-	{ "type": "html", "value": "<hr>" },
 	"tools/bolt-python/creating-an-app",
 	{
 		"type": "category",
@@ -102,7 +100,6 @@
 		"label": "Legacy",
 		"items": ["tools/bolt-python/legacy/steps-from-apps"]
 	},
-	{ "type": "html", "value": "<hr>" },
 	{
 		"type": "category",
 		"label": "Tutorials",
@@ -116,13 +113,11 @@
 			"tools/bolt-python/tutorial/modals/modals"
 		]
 	},
-	{ "type": "html", "value": "<hr>" },
 	{
 		"type": "link",
 		"label": "Reference",
 		"href": "https://docs.slack.dev/tools/bolt-python/reference/index.html"
 	},
-	{ "type": "html", "value": "<hr>" },
 	{
 		"type": "category",
 		"label": "日本語 (日本)",

docs/english/creating-an-app.md

@@ -4,18 +4,22 @@ sidebar_label: Creating an app
 
 # Creating an app with Bolt for Python
 
-This guide is meant to walk you through getting up and running with a Slack app using Bolt for Python. Along the way, we’ll create a new Slack app, set up your local environment, and develop an app that listens and responds to messages from a Slack workspace.
+:::tip[More doing, less reading]
+This guide is a more thorough explanation on creating a Slack app. If you want a running app as fast as possible, follow our [Quickstart](/quickstart) that harnesses the power of Bolt and the [Slack CLI](/tools/slack-cli). 
+:::
+
+Follow along to get up and running with a Slack app using Bolt for Python. Along the way, we’ll create a new Slack app, set up your local environment, and develop an app that listens and responds to messages from a Slack workspace.
 
 When you're finished, you'll have created the [Getting Started app](https://github.com/slackapi/bolt-python/tree/main/examples/getting_started) to run, modify, and make your own. ⚡️
- 
+
 ---
 
 ### Create a new app {#create-an-app}
 First thing's first: before you start developing with Bolt, you'll want to [create a Slack app](https://api.slack.com/apps/new).
 
 :::tip[A place to test and learn]  
 
-We recommend using a workspace where you won't disrupt real work getting done — [you can create a new one for free](https://slack.com/get-started#create).
+We recommend using a workspace where you won't disrupt real work getting done, like a [developer sandbox](/tools/developer-sandboxes).
 
 :::