Append triffid/pia-wg to 3rd party repository table (#111)

* Append triffid/pia-wg to 3rd party repository table

README.md

@@ -58,6 +58,7 @@ Some users have created their own repositories for manual connections, based on
 |:-:|:-:|:-:|:-:|-|
 | FreeBSD | Yes | Bash | Compatibility | [glorious1/manual-connections](https://github.com/glorious1/manual-connections) |
 | Linux | No | Python | WireGuard, PF | [milahu/python-piavpn](https://github.com/milahu/python-piavpn) |
+| Linux | No | Bash | WireGuard, PF | [triffid/pia-wg](https://github.com/triffid/pia-wg) <br />can generate configs for routers and [WireGuard's android/iOS app](https://www.wireguard.com/install/#android-play-store-f-droid) |
 | OPNsense | No | Python | WireGuard, PF | [FingerlessGlov3s/OPNsensePIAWireguard](https://github.com/FingerlessGlov3s/OPNsensePIAWireguard) |
 | pfSense | No | Sh | OpenVPN, PF | [fm407/PIA-NextGen-PortForwarding](https://github.com/fm407/PIA-NextGen-PortForwarding) |
 | pfSense | No | Java/PHP | WireGuard, PF | [ddb_db/pfpiamgr](https://gitlab.com/ddb_db/pfpiamgr) |