Update docs

docs/data-sources/module_testing_project.md

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+---
+# generated by https://github.com/hashicorp/terraform-plugin-docs
+page_title: "env0_module_testing_project Data Source - terraform-provider-env0"
+subcategory: ""
+description: |-
+  Can be used to get the projectid for agentprojectassignment and cloudcredentialsprojectassignment
+---
+
+# env0_module_testing_project (Data Source)
+
+Can be used to get the project_id for agent_project_assignment and cloud_credentials_project_assignment
+
+## Example Usage
+
+```terraform
+data "env0_module_testing_project" "project" {}
+
+data "env0_agents" "agents" {}
+
+resource "env0_agent_project_assignment" "example" {
+  agent_id   = data.env0_agents.agents.0.agent_key
+  project_id = env0_module_testing_project.project.id
+}
+```
+
+<!-- schema generated by tfplugindocs -->
+## Schema
+
+### Read-Only
+
+- `id` (String) the module testing project id
+- `name` (String) the module testing project id