added README and LICENSE

README.md

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+# WLAN Picture Frame Generator
+
+A quick way to generate a PDF containing a QR code to connect to a wifi network.
+
+## How to build
+
+Edit the template.tex and replace the variables with your SSID and password.
+
+```
+\def\ssid{YourSSID}
+\def\password{YourPassword}
+\def\encryption{WPA}
+\def\hidden{false}
+```
+
+To adjust the size to fit your picture frame set the size of the two minipage environments.
+The outer one specifies the overall size of the picture frame.
+The inner one specifies the visible area in the frame.
+
+Then run latexmk. The result will show up as template.pdf
+
+Print and cut out.
+
+Sometimes your printer might adjust the size of the document.
+You might be able to toy around with your printer settings.
+However produced a somewhat accurate width, but was several millimeters short for the height.
+In the end I simply increased the size until it fit well.
+
+## Dependencies
+
+- LuaLaTeX
+- latexmk