searx: added traffic route through tor

tor can be used with searx to route
all search traffic through it.
Added a paragraph in the searx site and
added the docker-image used.

wiki/docker-images/dperson_-_torproxy.md

@@ -0,0 +1,37 @@
+# dperson - torproxy
+
+The container and documentation was made by [dperson](https://hub.docker.com/r/dperson/torproxy).
+
+## Volumes
+
+Set the following volumes with the -v tag.
+
+| Volume-Name | Container mount | Description                |
+| ----------- | --------------- | -------------------------- |
+| `tor_var`   | `/var/lib/tor`  | Location for various files |
+| `tor_etc`   | `/etc/tor`      | Various other config       |
+
+## Ports
+
+Set the following ports with the -p tag.
+
+| Container Port | Recommended outside port | Protocol | Description         |
+| -------------- | ------------------------ | -------- | ------------------- |
+| `8118`         | `8118`                   | TCP      | privoxy web proxy   |
+| `9050`         | `9050`                   | TCP      | socks protocol port |
+
+## Rebuild
+
+```shell
+#!/bin/sh
+docker stop tor-proxy
+docker rm tor-proxy
+docker pull dperson/torproxy:latest
+docker run --name tor-proxy \
+        --restart unless-stopped \
+        -p 8118:8118 \
+        -p 9050:9050 \
+        -v tor_var:/var/lib/tor \
+        -v tor_etc:/etc/tor \
+        -d dperson/torproxy
+```