[Privacy Enhancement] No privacy policy declaration on the repo and website for third party trackers

[avolution]

As described in #67 the App uses google analytics per default to track usage data.

To full fill GDPR for example there is the need for a privacy policy.

There is also a need for an option to disable that tracking described in #67

[ghost]

My least favorite part about Election-based apps like, VSCode (with the exception of VSCodium) and Jigsaw's Outline VPN is the propensity to disrespect user privacy. Thankfully these tools are OSS and we can fork them to remove telemetry.