Moving cosmosdb quickstart code to samples repo

quickstart/101-cosmos-db-azure-container-instance/providers.tf

@@ -0,0 +1,18 @@
+terraform {
+  required_version = ">=0.12"
+
+  required_providers {
+    azurerm = {
+      source  = "hashicorp/azurerm"
+      version = "~>2.0"
+    }
+    random = {
+      source  = "hashicorp/random"
+      version = "~>3.0"
+    }
+  }
+}
+
+provider "azurerm" {
+  features {}
+}