added license and basic "read me" information

.vscode/settings.json

@@ -52,6 +52,7 @@
         "iomanip": "cpp",
         "iostream": "cpp",
         "stdexcept": "cpp",
-        "typeinfo": "cpp"
+        "typeinfo": "cpp",
+        "pointers": "cpp"
     }
 }

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 Christian Burger <christian@krikkel.de>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -0,0 +1,21 @@
+## Description
+
+**WARNING**: This is a prototype. Things will probably break; in spectacular
+ways.
+
+`NCursesPty` provides a pseudo terminal in a ncurses window.
+
+## Building
+
+Requires:
+
+* GCC 9.3 (C++17)
+* ncurses 6.2
+* libvterm (0.1.2-2; r740 at https://bazaar.launchpad.net/~libvterm/libvterm/trunk/revision/740)
+* libmsgsl-dev 2.1.0-1 (Microsoft C++ Guidelines Support Library)
+
+## Running
+
+Though this is a library, there is a demo application. It starts the currently
+running shell (or `/bin/bash` if `SHELL` environment variable is not set) and
+runs it in a ncurses window.