Update documentation

Author: actions-user

README.md

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+## Requirements
+
+| Name | Version |
+|------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement_terraform) | ~> 1.3 |
+| <a name="requirement_azurerm"></a> [azurerm](#requirement_azurerm) | <= 4.0 |
+## Usage
+Basic usage of this module is as follows:
+  ```hcl
+    module "example" {
+      	 source  = "<module-path>"
+      
+	 # Optional variables
+      	 application_name  = "devwithkrishna"
+      	 create_in_existing_resource_group  = false
+      	 environment  = "DEV"
+      	 location  = ""
+      	 managed_identity_name  = ""
+      	 resource_group_name  = ""
+      	 temporary  = "TRUE"
+    }
+  ```
+
+## Resources
+
+| Name | Type |
+|------|------|
+| [azurerm_resource_group.rg](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/resource_group) | resource |
+| [azurerm_user_assigned_identity.managed_identity](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/user_assigned_identity) | resource |
+| [azurerm_resource_group.existing](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/data-sources/resource_group) | data source |
+
+## Inputs
+
+| Name | Description | Type | Required |
+|------|-------------|------|:--------:|
+| <a name="input_application_name"></a> [application_name](#input_application_name) | Azure application name tag value | `string` | no |
+| <a name="input_create_in_existing_resource_group"></a> [create_in_existing_resource_group](#input_create_in_existing_resource_group) | Create managed identity in existing resource group | `bool` | no |
+| <a name="input_environment"></a> [environment](#input_environment) | Environment tag value in Azure | `string` | no |
+| <a name="input_location"></a> [location](#input_location) | Azure location | `string` | no |
+| <a name="input_managed_identity_name"></a> [managed_identity_name](#input_managed_identity_name) | Name of user assigned managed identity in Azure | `string` | no |
+| <a name="input_resource_group_name"></a> [resource_group_name](#input_resource_group_name) | Azure resource group name to create managed identity | `string` | no |
+| <a name="input_temporary"></a> [temporary](#input_temporary) | Temporary tag value in Azure | `string` | no |
+
+## Outputs
+
+| Name | Description |
+|------|-------------|
+| <a name="output_client_id_of_user_assigned_managed_identity"></a> [client_id_of_user_assigned_managed_identity](#output_client_id_of_user_assigned_managed_identity) | Id of the service principal associated to the Identity |
+| <a name="output_id_of_user_assigned_managed_identity"></a> [id_of_user_assigned_managed_identity](#output_id_of_user_assigned_managed_identity) | Id of the user assigned managed identity |
+| <a name="output_principal_id_of_user_assigned_managed_identity"></a> [principal_id_of_user_assigned_managed_identity](#output_principal_id_of_user_assigned_managed_identity) | Id of the service principal associated with the managed identity |
+| <a name="output_tenanat_id_of_user_assigned_managed_identity"></a> [tenanat_id_of_user_assigned_managed_identity](#output_tenanat_id_of_user_assigned_managed_identity) | Id of the tenant in which managed identity is created |
+<!-- END_AUTOMATED_TF_DOCS_BLOCK -->