Add endcord (#287)

SSH Slides is an SSH server that hosts terminal-based presentations
where your viewers can follow along in their own terminals.

README.md

@@ -282,6 +282,7 @@ List of projects that provide terminal user interfaces
 - [aerc](https://aerc-mail.org/) Email client
 - [Devzat](https://github.com/quackduck/devzat) Chat over SSH, written in Golang with self-hosting ability.
 - [discordo](https://github.com/ayntgl/discordo) A lightweight, secure, and feature-rich Discord terminal client
+- [endcord](https://github.com/mzivic7/endcord) Feature rich Discord TUI client.
 - [Gomphotherium](https://github.com/mrusme/gomphotherium) A command line Mastodon client.
 - [gomuks](https://github.com/tulir/gomuks) Matrix client
 - [gord](https://github.com/yellowsink/gord) TUI discord client. updated fork of the now-outdated cordless.
@@ -448,6 +449,7 @@ List of projects that provide terminal user interfaces
 - [sc-im](https://github.com/andmarti1424/sc-im) An ncurses spreadsheet program for terminal. Reignited version of sc
 - [SheetsUI](https://github.com/zaphar/sheetsui) A console based spreadsheet application
 - [slides](https://github.com/maaslalani/slides) A terminal based presentation tool, supporting markdown syntax.
+- [ssh-slides](https://github.com/ivantsepp/ssh-slides) Terminal-based presentations over SSH
 - [taskline](https://github.com/perryrh0dan/taskline) Tasks, boards & notes for the command-line habitat
 - [taskwarrior-tui](https://github.com/kdheepak/taskwarrior-tui) A Terminal User Interface for Taskwarrior
 - [television](https://github.com/alexpasmantier/television) A fast and versatile fuzzy finder TUI