add ensure-port-fwd.py

Signed-off-by: Martin Matous <m@matous.dev>

README.md

@@ -27,6 +27,20 @@ alias -s dnf '/usr/local/bin/dnf-search-installed.py'
 Usage: `dnf search <package>`
 
 
+## ensure-port-fwd.py
+Ensure given ports are present in TC7200 port forwarding table.
+
+For all those who get shitty routers shoved down their throats
+by their greedy and incompetent ISPs who like to randomly
+reset their settings for fun and profit using a backdoor.
+
+Status: active use (🖕 UPC/Vodafone)
+
+Dependencies: selenium, geckodriver, e-waste
+
+Usage: Run as a systemd service
+
+
 ## gasquery.py
 Query Alchemy API for current ETH L1 basefee.
 Intended for consumption by i3status-rs' custom block.