doc: Rename env. var. to MONGODB_ATLAS_PREVIEW_PROVIDER_V2_ADVANCED_CLUSTER (#3064)

* rename env. var. to MONGODB_ATLAS_PREVIEW_PROVIDER_V2_ADVANCED_CLUSTER

* change example doc

* update links and menu items

* fix links

* change style

Author: lantoli

docs/data-sources/advanced_cluster (preview v2).md renamed to docs/data-sources/advanced_cluster (preview provider v2).md

@@ -2,7 +2,7 @@
 
 `mongodbatlas_advanced_cluster` describes an Advanced Cluster. The data source requires your Project ID.
 
-This doc is for the `Preview for MongoDB Atlas Provider v2` of `mongodbatlas_advanced_cluster`, doc for current version can be found [here](./advanced_cluster). In order to enable the Preview, you must set the enviroment variable `MONGODB_ATLAS_ADVANCED_CLUSTER_V2_SCHEMA=true`, otherwise the current version will be used.
+This doc is for the **Preview for MongoDB Atlas Provider v2** of `mongodbatlas_advanced_cluster`, doc for current version can be found [here](./advanced_cluster). In order to enable the Preview, you must set the enviroment variable `MONGODB_ATLAS_PREVIEW_PROVIDER_V2_ADVANCED_CLUSTER=true`, otherwise the current version will be used.
 
 -> **NOTE:** Groups and projects are synonymous terms. You may find group_id in the official documentation.
 

docs/data-sources/advanced_cluster.md

@@ -2,7 +2,7 @@
 
 `mongodbatlas_advanced_cluster` describes an Advanced Cluster. The data source requires your Project ID.
 
-This doc is for the current version of `mongodbatlas_advanced_cluster`, doc for `Preview for MongoDB Atlas Provider v2` can be found [here](./advanced_cluster%2520%2528preview%2520v2%2529).
+This doc is for the current version of `mongodbatlas_advanced_cluster`, doc for **Preview for MongoDB Atlas Provider v2** can be found [here](./advanced_cluster%2520%2528preview%2520provider%2520v2%2529).
 
 -> **NOTE:** Groups and projects are synonymous terms. You may find group_id in the official documentation.
 

docs/data-sources/advanced_clusters (preview v2).md renamed to docs/data-sources/advanced_clusters (preview provider v2).md

@@ -2,7 +2,7 @@
 
 `mongodbatlas_advanced_clusters` describes all Advanced Clusters by the provided project_id. The data source requires your Project ID.
 
-This doc is for the `Preview for MongoDB Atlas Provider v2` of `mongodbatlas_advanced_clusters`, doc for current version can be found [here](./advanced_cluster). In order to enable the Preview, you must set the enviroment variable `MONGODB_ATLAS_ADVANCED_CLUSTER_V2_SCHEMA=true`, otherwise the current version will be used.
+This doc is for the **Preview for MongoDB Atlas Provider v2** of `mongodbatlas_advanced_clusters`, doc for current version can be found [here](./advanced_cluster). In order to enable the Preview, you must set the enviroment variable `MONGODB_ATLAS_PREVIEW_PROVIDER_V2_ADVANCED_CLUSTER=true`, otherwise the current version will be used.
 
 -> **NOTE:** Groups and projects are synonymous terms. You may find group_id in the official documentation.
 

docs/data-sources/advanced_clusters.md

@@ -2,7 +2,7 @@
 
 `mongodbatlas_advanced_clusters` describes all Advanced Clusters by the provided project_id. The data source requires your Project ID.
 
-This doc is for the current version of `mongodbatlas_advanced_clusters`, doc for `Preview for MongoDB Atlas Provider v2` can be found [here](./advanced_clusters%2520%2528preview%2520v2%2529).
+This doc is for the current version of `mongodbatlas_advanced_clusters`, doc for **Preview for MongoDB Atlas Provider v2** can be found [here](./advanced_clusters%2520%2528preview%2520provider%2520v2%2529).
 
 -> **NOTE:** Groups and projects are synonymous terms. You may find group_id in the official documentation.
 

docs/resources/advanced_cluster (preview v2).md renamed to docs/resources/advanced_cluster (preview provider v2).md

@@ -2,7 +2,7 @@
 
 `mongodbatlas_advanced_cluster` provides an Advanced Cluster resource. The resource lets you create, edit and delete advanced clusters. The resource requires your Project ID.
 
-This doc is for the `Preview for MongoDB Atlas Provider v2` of `mongodbatlas_advanced_cluster`, doc for current version can be found [here](./advanced_cluster). In order to enable the Preview, you must set the enviroment variable `MONGODB_ATLAS_ADVANCED_CLUSTER_V2_SCHEMA=true`, otherwise the current version will be used.
+This doc is for the **Preview for MongoDB Atlas Provider v2** of `mongodbatlas_advanced_cluster`, doc for current version can be found [here](./advanced_cluster). In order to enable the Preview, you must set the enviroment variable `MONGODB_ATLAS_PREVIEW_PROVIDER_V2_ADVANCED_CLUSTER=true`, otherwise the current version will be used.
 
 More information on considerations for using advanced clusters please see [Considerations](https://docs.atlas.mongodb.com/reference/api/cluster-advanced/create-one-cluster-advanced/#considerations)
 

docs/resources/advanced_cluster.md

@@ -2,7 +2,7 @@
 
 `mongodbatlas_advanced_cluster` provides an Advanced Cluster resource. The resource lets you create, edit and delete advanced clusters. The resource requires your Project ID.
 
-This doc is for the current version of `mongodbatlas_advanced_cluster`, doc for `Preview for MongoDB Atlas Provider v2` can be found [here](./advanced_cluster%2520%2528preview%2520v2%2529).
+This doc is for the current version of `mongodbatlas_advanced_cluster`, doc for **Preview for MongoDB Atlas Provider v2** can be found [here](./advanced_cluster%2520%2528preview%2520provider%2520v2%2529).
 
 More information on considerations for using advanced clusters please see [Considerations](https://docs.atlas.mongodb.com/reference/api/cluster-advanced/create-one-cluster-advanced/#considerations)
 

examples/mongodbatlas_advanced_cluster (preview provider v2)/README.md

@@ -0,0 +1,5 @@
+# Examples for mongodbatlas_advanced_cluster (Preview for MongoDB Atlas Provider v2)
+
+This directory contains examples of using the **Preview for MongoDB Atlas Provider v2** of `mongodbatlas_advanced_cluster`. In order to enable the Preview, you must set the enviroment variable `MONGODB_ATLAS_PREVIEW_PROVIDER_V2_ADVANCED_CLUSTER=true`, otherwise the current version will be used.
+
+You can find more info in the [resource doc page](https://registry.terraform.io/providers/mongodb/mongodbatlas/latest/docs/resources/advanced_cluster%2520%2528preview%2520provider%2520v2%2529).