Added readme and license.

LICENSE

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+MIT License
+Copyright 2019 Bruce Hill <bruce@bruce-hill.com>
+
+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

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+# ascii
+
+A simple curses console application that shows an ASCII table and lets you
+manually output ASCII sequences.
+
+## Usage
+
+Just run `ascii` to launch the ascii table viewier or `ascii N1 N2...` to print
+the ASCII characters listed by number, e.g. `ascii 72 105` will print `Hi`. In
+the ASCII table viewer, you can navigate with arrow keys or h/j/k/l. Pressing
+`enter` will append to the output buffer and `backspace` will delete from the
+output buffer.  Pressing `q` or `escape` will exit and print the output buffer
+to stdout. Hitting control-c will quit without printing the output buffer.