add readme and license file

LICENSE

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+Copyright 2022 Derek Stevens <nilix@nilfm.cc>
+
+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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+# onyx/scry
+
+## about
+
+`onyx/scry` is a lightweight map annotation and location data management and sharing tool built using [leaflet](leafletjs.org) and [typescript](https://typescriptlang.org). It is intended as a standalone tool to generate, manage, and share simple location data in the form of points, circles, and polygons. All of these have associated titles and descriptions and can be easily imported or exported to a `json` format for easy sharing. All data is saved locally via the `localStorage` API, and the only network calls are those to retrieve either the streetmap or satellite tile data.
+
+## usage
+
+_coming soon_
+
+## license
+
+`onyx/scry` is distributed under the [MIT license}(/LICENSE) - basically do whatever you want with it but leave my name on it.