docs: Splitting up different cloud providers

Author: yhakbar

docs/2.0/docs/pipelines/installation/addingnewrepo.md

@@ -1,5 +1,8 @@
 # Initial Setup
 
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+
 To configure Gruntwork Pipelines in a new GitHub repository, complete the following steps (which are explained in detail below):
 
 1. Create an `infrastructure-live` repository.
@@ -61,6 +64,9 @@ repository {
 }
 ```
 
+<Tabs>
+<TabItem value="aws" label="AWS" default>
+
 ```hcl title=".gruntwork/environment.hcl"
 environment "dev" {
   filter {
@@ -93,10 +99,97 @@ environment "prod" {
 
 :::tip
 
+Learn more about how Pipelines authenticates to AWS in the [Authenticating to AWS](/2.0/docs/pipelines/concepts/cloud-auth/aws) page.
+
+:::
+
+:::tip
+
 Check out the [aws block](/2.0/reference/pipelines/configurations-as-code/#aws-blocks) for more information on how to configure Pipelines to authenticate with AWS conveniently.
 
 :::
 
+</TabItem>
+<TabItem value="azure" label="Azure">
+
+```hcl title=".gruntwork/environment.hcl"
+environment "dev" {
+  filter {
+    paths = ["dev/*"]
+  }
+
+  authentication {
+    azure_oidc {
+      tenant_id       = "141052b1-f3e4-49c2-91a3-dc349beb66f1"
+      subscription_id = "a0afca72-e70c-4b57-acb1-e4c9019e59be"
+
+      plan_client_id  = "b5315418-c05e-471d-9b68-13695fb4863f"
+      apply_client_id = "9b4eb942-b48a-4ab8-bc47-f3a92068ae88"
+    }
+  }
+}
+
+environment "prod" {
+  filter {
+    paths = ["prod/*"]
+  }
+
+  authentication {
+    azure_oidc {
+      tenant_id       = "141052b1-f3e4-49c2-91a3-dc349beb66f1"
+      subscription_id = "b0bfdb73-f80d-5c68-bdc2-f5d9129f70cf"
+
+      plan_client_id  = "c6426529-d16f-582e-ad79-04a93fb9974e"
+      apply_client_id = "ac5fc053-c59b-5bc9-cd58-049b42179a99"
+    }
+  }
+}
+```
+
+:::tip
+
+Learn more about how Pipelines authenticates to Azure in the [Authenticating to Azure](/2.0/docs/pipelines/concepts/cloud-auth/azure) page.
+
+:::
+
+</TabItem>
+<TabItem value="custom" label="Custom">
+
+```hcl title=".gruntwork/environment.hcl"
+environment "dev" {
+  filter {
+    paths = ["dev/*"]
+  }
+
+  authentication {
+    custom {
+      auth_provider_cmd = "./scripts/custom-auth-dev.sh"
+    }
+  }
+}
+
+environment "prod" {
+  filter {
+    paths = ["prod/*"]
+  }
+
+  authentication {
+    custom {
+      auth_provider_cmd = "./scripts/custom-auth-prod.sh"
+    }
+  }
+}
+```
+
+:::tip
+
+Learn more about how Pipelines can authenticate with custom authentication in the [Custom Authentication](/2.0/docs/pipelines/concepts/cloud-auth/custom) page.
+
+:::
+
+</TabItem>
+</Tabs>
+
 ## Creating `.github/workflows/pipelines.yml`
 
 Create a `.github/workflows/pipelines.yml` file in the root of your `infrastructure-live` repository with the following content: