fix: remove deprecated compose version tag

Author: l4rm4nd

README.md

@@ -282,7 +282,6 @@ A [pastebin](https://en.wikipedia.org/wiki/Pastebin) is a type of online content
 - [Gokapi](examples/gokapi) - Lightweight selfhosted Firefox Send alternative without public upload. AWS S3 supported.
 - [Projectsend](examples/projectsend) - ProjectSend is a free, open source software that lets you share files with your clients, focused on ease of use and privacy. It supports clients groups, system users roles, statistics, multiple languages, detailed logs and much more!
 - [Pwndrop](examples/pwndrop) - pwndrop is a self-deployable file hosting service for sending out red teaming payloads or securely sharing your private files over HTTP and WebDAV.
-- [Droppy](examples/droppy) (deprecated) - droppy is a self-hosted file storage server with a web interface and capabilities to edit files and view media directly in the browser. It is particularly well-suited to be run on low-end hardware like the Raspberry Pi.
 - [PairDrop](examples/pairdrop) - PairDrop is a sublime alternative to AirDrop that works on all platforms. Send images, documents or text via peer to peer connection to devices in the same local network/Wi-Fi or to paired devices.
 - [MinIO](examples/minio) - MinIO is an object storage server, compatible with Amazon S3 cloud storage service, mainly used for storing unstructured data (such as photos, videos, log files, etc.).
 - [Transfer.sh](examples/transfer.sh) - Easy and fast file sharing from the command-line.
@@ -370,7 +369,6 @@ Software that helps to increase security and privacy.
 - [CrowdSec](examples/crowdsec) - The open-source and participative security solution offering crowdsourced protection against malicious IPs and access to the most advanced real-world CTI.
 - [Tor-Browser](examples/tor-browser) - Running a Tor browser instance on any headless server.
 - [Firefox](examples/firefox) - Firefox by linuxserver.io allows you to run the popular Firefox web broser on a remote server.
-- [Bibliogram](examples/bibliogram) (deprecated) - Bibliogram is a private front-end frontend to Instagram, similar to Invidous.
 - [Nitter](examples/nitter) - Nitter is an alternative front-end to Twitter, and was inspired by Invidious.
 - [Unify Network Application](examples/unify-network-application) - The Unifi-network-application software is a powerful, enterprise wireless software engine ideal for high-density client deployments requiring low latency and high uptime performance.
 

examples/adguard-home-sync/docker-compose.yml

@@ -1,5 +1,5 @@
-version: "2.1"
 services:
+
   adguardhome-sync:
     image: linuxserver/adguardhome-sync
     container_name: adguardhome-sync
@@ -18,4 +18,4 @@ services:
       - PGID=1000
     restart: unless-stopped
     volumes:
-      - ${DOCKER_VOLUME_STORAGE:-/mnt/docker-volumes}/adguard-home-sync:/config
+      - ${DOCKER_VOLUME_STORAGE:-/mnt/docker-volumes}/adguard-home-sync:/config