add aws-assume-role reference (#76)

Author: RamanaReddy0M

tools/cloudlist/providers.mdx

@@ -48,11 +48,15 @@ Amazon Web Services can be integrated by using the following configuration block
 
 Scopes Required: Read EC2, Route53, S3
 
-References:
+__References:__
 1. https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_examples_iam_read-only-console.html
 2. https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_access-keys.html
 3. https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html
-4. https://docs.aws.amazon.com/sdkref/latest/guide/feature-assume-role-credentials.html
+
+- Aws Assume Role:
+
+  - https://docs.aws.amazon.com/sdkref/latest/guide/feature-assume-role-credentials.html
+  - https://docs.logrhythm.com/OCbeats/docs/aws-cross-account-access-using-sts-assume-role
 
 ### GCP (Google Cloud Platform)