Add Bibliogram to Social Networks (#2588)

* Add Bibliogram
* Add warning to Bibliogram
Co-authored-by: nodiscc <nodiscc@gmail.com>

README.md

@@ -357,6 +357,7 @@ _[SIP](https://en.wikipedia.org/wiki/Session_Initiation_Protocol)/[IPBX](https:/
 - [Anahita](https://www.getanahita.com/) - Open Source Social Networking Framework and Platform. ([Source Code](https://github.com/anahitasocial)) `GPL-3.0` `PHP`
 - [AsmBB](https://board.asm32.info) - A fast, SQLite-powered forum engine written in ASM. ([Source Code](https://asm32.info/fossil/asmbb/index)) `EUPL-1.2` `Assembly`
 - [bbPress](https://bbpress.org/) - bbPress is forum software with a twist from the creators of WordPress. Easily setup discussion forums inside your WordPress.org powered site. ([Source Code](https://bbpress.trac.wordpress.org/browser/trunk)) `GPL-2.0` `PHP`
+- [Bibliogram](https://bibliogram.art) `⚠` - An alternative front-end for Instagram. ([Source Code](https://sr.ht/~cadence/bibliogram/)) `AGPL-3.0` `Nodejs`
 - [Bootcamp](https://trybootcamp.vitorfs.com) - Enterprise social network. ([Source Code](https://github.com/vitorfs/bootcamp)) `MIT` `Python`
 - [Buddycloud](http://buddycloud.com/) - Tools, libraries, services and a community to build user-to-user, group and social messaging into your app. Saves time. Scales up. Supports you. ([Source Code](https://github.com/buddycloud)) `Apache-2.0` `Java`
 - [BuddyPress](https://buddypress.org/about/) - Powerful plugin that takes your WordPress.org powered site beyond the blog with social-network features like user profiles, activity streams, user groups, and more. ([Source Code](https://github.com/buddypress/BuddyPress)) `GPL-2.0` `PHP`