add README and LICENSE

Author: dobbs

LICENSE.txt

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+Copyright (c) 2020 Ward Cunningham, Eric Dobbs and other contributors
+
+Exact history of voluntary contributions will be available at
+https://github.com/dobbs/small-wiki
+
+JSON files, image files, and other wiki content are licensed under a
+Creative Commons Attribution-ShareAlike 4.0 International License.
+
+CC BY-SA 4.0 : http://creativecommons.org/licenses/by-sa/4.0/
+
+====
+
+HMTL, javascript, and CSS files are licensed as follows:
+
+====
+
+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

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+# revisiting Smallest Federated Wiki
+
+After nine years of experimentation, first in ruby and javascript,
+then in nodejs and javascript, we ask what can be done with another
+decade of browser innovation.
+
+Here we eschew build systems and frameworks in favor of plain, modern
+browser technology.
+
+See also http://small.fed.wiki
+
+# Background
+
+[Origin of Smallest Federated Wiki](https://github.com/WardCunningham/Smallest-Federated-Wiki/commit/40f056aea84a2faa68b1156b90eed71e0218fff7)
+
+[Federated Wiki (Node.js server version)](https://github.com/fedwiki/wiki#federated-wiki-nodejs-server-version)
+
+[Smallest Federated Wiki (wiki assets version)](http://small.fed.wiki/assets/start.js)