Add readme, license

Author: klieret

LICENSE.txt

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+The MIT License (MIT)
+
+Copyright (c) 2023 Kilian Lieret
+
+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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+# Snippets for Obsidian
+
+This is a collection of the snippets that I use for [Obsidian][obsidian].
+Some of them are contributed by various people and are credited in comments
+on top of the file.
+
+## Overview of the snippets
+
+* Display internal links in all caps. This was
+  originally a design feature by the [Sanctum][sanctum] theme, but got dropped in
+  newer releases
+* Make embeds blend into notes
+* Disable strikethrough for ticked checkboxes
+* Highlight bold darkmode: Bold text in dark mode doesn't stand out very much, so
+  this snippets makes it underlined and all-caps.
+* Justify all text in obsidian
+
+
+[obsidian]: https://obsidian.md/
+[sanctum]: https://github.com/jdanielmourao/obsidian-sanctum/
+
+## License
+
+All snippets that are authored by me and do not have a source pointed out in the
+comments on top are licensed as MIT.