Standartized docker-compose files. Added some documentation (AI generated)

Docker/ddns-cloudflare/README.md

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+# Cloudflare DDNS
+
+This directory contains a Docker Compose setup for a Cloudflare DDNS client.
+
+This service will automatically update your Cloudflare DNS records with your public IP address.
+
+## Docker Compose Setup
+
+### Services
+
+- **cloudflare-ddns**: The Cloudflare DDNS client.
+
+### Environment Variables
+
+- `CLOUDFLARE_API_TOKEN`: Your Cloudflare API token.
+- `DOMAINS`: A comma-separated list of domains to update.
+- `PROXIED`: Whether or not to proxy the domains through Cloudflare.
+
+## Usage
+
+1. Create a `.env` file with the following variables:
+
+```
+# Cloudflare API key. User -> My Profile -> API tokens
+CLOUDFLARE_API_TOKEN=your_api_key
+
+# Cloudflare zone, which will be used. Dashboard -> Web Sites
+DOMAINS=your_domains
+```
+
+2. Run `docker-compose up -d` to start the container.