Add user creation script and update README instructions

README.md

@@ -65,6 +65,19 @@ This script will create three new databases: `whatsapp`, `telegram`, and `discor
 
 ![image](https://gitlab.com/-/project/64900187/uploads/21724e8ed403f7d3a40737e39e8c5ee3/image.png)
 
+7. Create your first user using the provided script:
+
+```sh
+./create-user.sh
+```
+
+The script will:
+- Prompt you for a username
+- Ask if the user should be an admin
+- Create the account in your Dendrite server
+
+You can run this script multiple times to create additional users as needed.
+
 ## That's It!
 
 Dendrite is now up and running! You can proceed with setting up the bridges:

create-user.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+# Prompt for username
+read -p "Enter username: " USERNAME
+
+# Validate username
+if [[ ! $USERNAME =~ ^[a-zA-Z0-9_.-]+$ ]]; then
+    echo "Error: Username can only contain letters, numbers, underscores, dots, and hyphens"
+    exit 1
+fi
+
+# Prompt for admin status
+while true; do
+    read -p "Should this user be an admin? (y/n): " ADMIN_RESPONSE
+    case $ADMIN_RESPONSE in
+        [Yy]* ) ADMIN_FLAG="--admin"; break;;
+        [Nn]* ) ADMIN_FLAG=""; break;;
+        * ) echo "Please answer y or n.";;
+    esac
+done
+
+# Execute the create-account command
+echo "Creating user: $USERNAME"
+docker compose exec monolith /usr/bin/create-account \
+    -config /etc/dendrite/dendrite.yaml \
+    -username "$USERNAME" \
+    $ADMIN_FLAG
+
+# Check if the command was successful
+if [ $? -eq 0 ]; then
+    echo "User \"$USERNAME\" created successfully!"
+else
+    echo "Error: Failed to create user"
+    exit 1
+fi