Update KV readmes with support policy (#16013)

samples/cors/ts/README.md

@@ -37,7 +37,7 @@ This sample demonstrates a few alternatives to integrating with Azure Key Vault
 
 ## Prerequisites
 
-The sample is compatible with [LTS versions of Node.js](https://nodejs.org/about/releases/)
+The sample is compatible with [LTS versions of Node.js](https://nodejs.org/about/releases/).
 
 Before running the samples in Node, they must be compiled to JavaScript using the TypeScript compiler. For more information on TypeScript, see the [TypeScript documentation][typescript].
 

samples/frameworks/electron/ts/README.md

@@ -9,7 +9,7 @@ In this sample, we build a simple [Electron][electron] application and integrati
 
 ## Prerequisites
 
-The samples are compatible with [LTS versions of Node.js](https://nodejs.org/about/releases/)
+The samples are compatible with [LTS versions of Node.js](https://nodejs.org/about/releases/).
 
 Before running the samples in Node, they must be compiled to JavaScript using the TypeScript compiler. For more information on TypeScript, see the [TypeScript documentation][typescript].
 

sdk/keyvault/keyvault-admin/README.md

@@ -20,11 +20,14 @@ Install the Azure Key Vault administration client library for JavaScript and Typ
 npm install @azure/keyvault-admin
 ```
 
+### Currently supported environments
+
+- [LTS versions of Node.js](https://nodejs.org/about/releases/)
+
 ### Prerequisites
 
-- An [Azure subscription][azure-sub].
-- An existing Azure Key Vault Managed HSM. If you need to create an Azure Key Vault, you can use the [Azure CLI][azure-cli].
-- Use [Node.js](https://nodejs.org/) 10.x or higher.
+- An [Azure subscription](https://azure.microsoft.com/free/)
+- A [Key Vault resource](https://docs.microsoft.com/azure/key-vault/quick-create-portal)
 
 #### Getting Azure credentials
 

sdk/keyvault/keyvault-certificates/README.md

@@ -20,18 +20,21 @@ Use the client library for Azure Key Vault Certificates in your Node.js applicat
 
 ## Getting started
 
+### Currently supported environments
+
+- [LTS versions of Node.js](https://nodejs.org/about/releases/)
+
+### Prerequisites
+
+- An [Azure subscription](https://azure.microsoft.com/free/)
+- A [Key Vault resource](https://docs.microsoft.com/azure/key-vault/quick-create-portal)
+
 ### Install the package
 
 Install the Azure Key Vault Certificates client library using npm
 
 `npm install @azure/keyvault-certificates`
 
-### Prerequisites
-
-- An [Azure subscription](https://azure.microsoft.com/free/).
-- An existing Azure Key Vault. If you need to create an Azure Key Vault, you can use the [Azure CLI](https://docs.microsoft.com/azure/key-vault/general/quick-create-cli).
-- Use [Node.js](https://nodejs.org/) 10.x or higher.
-
 ### Install the identity library
 
 Key Vault clients authenticate using the Azure Identity Library. Install it as well using npm

sdk/keyvault/keyvault-keys/README.md

@@ -30,11 +30,14 @@ Using the cryptography client available in this library you also have access to:
 
 ## Getting started
 
+### Currently supported environments
+
+- [LTS versions of Node.js](https://nodejs.org/about/releases/)
+
 ### Prerequisites
 
-- An [Azure subscription][azure-sub].
-- An existing Azure Key Vault Managed HSM. If you need to create an Azure Key Vault, you can use the [Azure CLI][azure-cli].
-- Use [Node.js](https://nodejs.org/) 10.x or higher.
+- An [Azure subscription](https://azure.microsoft.com/free/)
+- A [Key Vault resource](https://docs.microsoft.com/azure/key-vault/quick-create-portal)
 
 ### Install the package
 

sdk/keyvault/keyvault-secrets/README.md

@@ -30,7 +30,7 @@ Use the client library for Azure Key Vault Secrets in your Node.js application t
 ### Prerequisites
 
 - An [Azure subscription](https://azure.microsoft.com/free/)
-- A[Key Vault resource](https://docs.microsoft.com/azure/key-vault/quick-create-portal)
+- A [Key Vault resource](https://docs.microsoft.com/azure/key-vault/quick-create-portal)
 
 ### Install the package