add sshm (#375)

Main Features of SSHM

- Clean TUI (Bubble Tea) + CLI mode – browse, search, add, edit, delete hosts
- Multiple config files – load any file with `-c` (supports `Include` directives)
- ProxyJump support – seamless connection through bastions
- Port forwarding – local, remote, and dynamic, via an interactive UI
- Connection history – quickly reconnect to recent hosts
- SSH ping – check availability of all hosts at once
- Safe edits – automatic backup before modifying configs
- Cross-platform – works on Linux, macOS, and Windows (via Git Bash / WSL)
- One-liner install – quick setup on all platforms

README.md

@@ -526,6 +526,7 @@
 - [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.
+- [sshm](https://github.com/gu1llaum-3/sshm) SSH made easy and fast: browse, connect, and control from your terminal with a modern TUI
 - [ssh-slides](https://github.com/ivantsepp/ssh-slides) Terminal-based presentations over SSH
 - [Tabiew](https://github.com/shshemi/tabiew) A lightweight app to view and query tabular data files, such as CSV, TSV, and parquet.
 - [taskline](https://github.com/perryrh0dan/taskline) Tasks, boards & notes for the command-line habitat