Consolidate setup docs (#1243)

## Description

Consolidate setup docs

Renames the "Initial Configuration" section to "Initial Setup" for better flow and upcoming changes.

## Type of change

- [x] 🗺️ Documentation

docs/docs/developers/testing.md

@@ -30,7 +30,7 @@
 
 - Set M365 Credentials environment variables
 
-    > You can find more information on how to get these values in [configuration docs](/configuration/m365_access).
+    > You can find more information on how to get these values in our [M365 docs](/setup/m365_access).
 
     ```bash
     export AZURE_CLIENT_ID=<id>

docs/docs/intro.md

@@ -12,5 +12,5 @@ beyond M365, will expand based on the interest and needs of the community.
 
 ## Getting started
 
-Follow the instructions in the [Running Corso](/running) and [Initial Configuration](/configuration/concepts) sections to
+Follow the instructions in the [Initial Setup](/setup/concepts) section to setup Corso and get it ready for first use.
-setup Corso and get it ready for first use. You can then go through the [Tutorial](/tutorial) section to see it in action.
+You can then go through the [Tutorial](/tutorial) section to see it in action.

docs/docs/setup/concepts.md

@@ -21,7 +21,7 @@ application to connect to your *M365 tenant* and transfer data during backup and
 ## Corso concepts {#corso-concepts}
 
 * **Repository** refers to the storage location where Corso securely and efficiently stores encrypted *backups* of your
-*M365 Services* data. See [Repositories](/configuration/repos) for more information.
+*M365 Services* data. See [Repositories](/setup/repos) for more information.
 
 * **Backup** is a copy of your *M365 Services* data to be used for restores in case of deletion, loss, or corruption of the
 original data. Corso performs backups incrementally, and each backup only captures data that has changed between backup iterations.

docs/docs/setup/configuration.md

@@ -1,4 +1,4 @@
-# Running Corso
+# Configuring Corso
 
 import Tabs from '@theme/Tabs';
 import TabItem from '@theme/TabItem';
@@ -15,7 +15,7 @@ Two things are needed to run Corso:
 
 Three distinct pieces of configuration are required by Corso:
 
-* S3 object storage configuration to store backups. See [AWS Credentials Setup](/configuration/repos##s3-creds-setup) for
+* S3 object storage configuration to store backups. See [AWS Credentials Setup](/setup/repos##s3-creds-setup) for
 alternate ways to pass AWS credentials.
   * `AWS_ACCESS_KEY_ID`: Access key for an IAM user or role for accessing an S3 bucket
   * `AWS_SECRET_ACCESS_KEY`: Secret key associated with the access key

docs/docs/setup/repos.md

@@ -2,7 +2,7 @@
 description: "Configure backup repository"
 ---
 
-# Repositories
+# Corso repositories
 
 A Corso [repository](concepts#corso-concepts) stores encrypted copies of your backup data. Repositories are
 supported on the following object storage systems:

docs/docs/tutorial.md

@@ -5,8 +5,8 @@ In this tutorial you will perform your first backup followed by a restore.
 ## Prerequisites
 
 * Install Docker
-* Configure connection to your M365 Tenant (see [M365 Access](/configuration/m365_access))
+* Configure connection to your M365 Tenant (see [M365 Access](/setup/m365_access))
-* Initialize a Corso backup repository (see [Repositories](/configuration/repos))
+* Initialize a Corso backup repository (see [Repositories](/setup/repos))
 
 ## Your first backup
 

docs/sidebars.js

@@ -16,12 +16,11 @@ const sidebars = {
   // By default, Docusaurus generates a sidebar from the docs folder structure
   docsSidebar: [
     'intro',
-    'running',
     'tutorial',
     {
       type: 'category',
-      label: 'Initial configuration',
+      label: 'Initial setup',
-      items: ['configuration/concepts', 'configuration/m365_access', 'configuration/repos'],
+      items: ['setup/concepts', 'setup/m365_access', 'setup/repos', 'setup/configuration'],
     },
     {
       type: 'category',