Add LICENSE and README

LICENSE

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+MIT/X Consortium License
+
+© 2020 Case Duckworth <acdw at acdw dot net>
+
+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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+hell: HTML in shell
+===================
+
+here's an HTML templating library in shell.
+it's pretty simple, I think:
+
+- it makes new tags, with arbitrary attributes and text
+- it closes those tags automagically
+- it also can output plain text!
+
+however, `hell` *doesn't* make sure you write valid anything.
+it's planned to be an intermediate step in an SSG-type-thing I'm writing,
+in between the easy-to-read-and-write source
+and the HTML template.
+
+more to come, I guess.
+
+License: MIT