Added a description to README

README.md

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+# telnetST
+
+## About
+
+TelnetST is a small and very basic telnet client, that uses the Sting/StiK
+drivers to access the remote terminal via TCP/IP.
+
+Unlike other telnet clients, this one implements the generic VT52
+compatibility, which means you'll be running telnet on a VT52-terminal. 
+
+This has the advantage, that you can use BBS's that run on modern day computers
+via TCP/IP and still see a full screen.
+
+Since most telnet systems require the terminal to run in 80 column mode, this
+program only runs in high or medium resolution, switching resolutions on
+startup, when you call it in colour mode.