ttyd: add page (#19461)

Co-authored-by: Managor <42655600+Managor@users.noreply.github.com>

pages/common/ttyd.md

@@ -0,0 +1,28 @@
+# ttyd
+
+> Share a terminal or any command over the web.
+> More information: <https://github.com/tsl0922/ttyd#command-line-options>.
+
+- Start a read only web server sharing Bash shell on the default port (7681):
+
+`ttyd bash`
+
+- Start Bash on a specific port:
+
+`ttyd {{[-p|--port]}} {{8080}} bash`
+
+- Allow clients to write to the terminal:
+
+`ttyd {{[-W|--writable]}} {{command}}`
+
+- Set client options:
+
+`ttyd {{[-t|--client-option]}} {{key=value}} {{command}}`
+
+- Display help:
+
+`ttyd {{[-h|--help]}}`
+
+- Display version:
+
+`ttyd {{[-v|--version]}}`