feat: kb article about tinyproxy

knowledge base/tinyproxy.md

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+# Tinyproxy
+
+Light-weight HTTP/HTTPS proxy daemon for POSIX operating systems.
+
+## Table of contents <!-- omit in toc -->
+
+1. [Further readings](#further-readings)
+
+## Further readings
+
+- [Website]
+- [Github]
+
+<!--
+  References
+  -->
+
+<!-- Upstream -->
+[github]: https://github.com/tinyproxy/tinyproxy
+[website]: https://tinyproxy.github.io/