update README for automated SSH key generation

Update README to reflect that SSH keys are now automatically generated and can't be imported or edited manually.

- Remove outdated key structure documentation
- Simplify initial setup instructions
- Add note about public key deployment

README.md

@@ -19,19 +19,12 @@ Download the script file (`vaultwarden-ssh-agent.ps1`) to your preferred locatio
 ### Initial Setup
 
 - Create a folder (default name: 'ssh-agent') in your Vaultwarden vault
-- Create a new item in the 'ssh-agent' folder
+- Create a new SSH Key item in the folder by selecting "SSH Key" as the type
-- Paste the public key in the notes field
+- An ED25519 key pair will be automatically generated
-- Attach the private key as a file attachment
+  - If you need different keys, you can use the refresh button to generate a new pair
-
+  - Note: The key generation is managed by Bitwarden Client and cannot be edited manually
-Note: If you haven't configured the Bitwarden CLI for your Vaultwarden instance yet, don't worry! The script will automatically prompt you for your server URL during the first run.
+- Save the item
-
+- Deploy the generated public key to systems where you need access
-### Key Item Structure
-
-Each SSH key in Vaultwarden should be structured as follows:
-- Folder: Must be in the 'ssh-agent' folder (or your custom folder name)
-- Name: A descriptive name for your SSH key
-- Notes: Contains the public key (required)
-- Attachment: The private key file (required)
 
 ## Usage
 ### Basic usage
@@ -83,9 +76,8 @@ Start-Service ssh-agent
 
 **"Failed to add key"**
 - Verify the SSH agent is running
-- Check key format in Vaultwarden
+- Check entries in the created folder in your Vaultwarden vault
 - Run with -Debug flag for more information
-- Verify private key file attachment
 
 **"Bitwarden CLI not found"**
 - Ensure Bitwarden CLI is installed