Added readme.

lh-logo/README.md

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+# lh-logo
+Trivial LaTeX style for using logo LogicalHacking logo of the 
+[Software Assurance & Security Research Team at The University of Sheffield](https://logicalhacking.com).
+
+## Usage
+Including the style in your latex document, i.e., 
+```
+\usepackage{lh-logo}
+```
+defines two families of commands:
+* for light backgrounds:
+```
+\lhLogoLight
+\lhMediumLogoLight
+\lhSmallLogoLight
+\lhcomLogoLight
+```
+* for dark backgrounds:
+```
+\lhLogoDark
+\lhMediumLogoDark
+\lhSmallLogoDark
+\lhcomLogoDark
+```
+where the first family prints the logo designed for white (light)
+backgrounds and the latter print the logo designed for coloured (dark)
+backgrounds. Both commands take the same optional arguments as the
+`\includegraphics[]{}` command of the `graphicx` package.
+
+In addition, the style defines the two colors `lhOrange` and `lhGray`.
+
+## Author
+* [Achim D. Brucker](http://www.brucker.ch/)
+
+## License
+The LaTeX style is dual-licensed under a 2-clause BSD-style license and/or 
+the LPPL version 1 or any later version. 
+
+Note that the logos are licensed under the more restrictive 
+[CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/). You are free to 
+use them to link to the [logicalhacking.com](https://logicalhacking.com) website.