feat(wg-easy): move to stable and add some envs (#3027)

Co-authored-by: Stavros kois <s.kois@outlook.com>

charts/stable/wg-easy/README.md

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+# Introduction
+
+The easiest way to run WireGuard VPN + Web-based Admin UI.
+
+TrueCharts are designed to be installed as TrueNAS SCALE app only. We can not guarantee this charts works as a stand-alone helm installation.
+**This chart is not maintained by the upstream project and any issues with the chart should be raised [here](https://github.com/truecharts/apps/issues/new/choose)**
+
+## Source Code
+
+* <https://hub.docker.com/r/weejewel/wg-easy>
+* <https://github.com/WeeJeWel/wg-easy>
+
+## Requirements
+
+Kubernetes: `>=1.16.0-0`
+
+## Dependencies
+
+| Repository | Name | Version |
+|------------|------|---------|
+| https://library-charts.truecharts.org | common | 10.1.4 |
+
+## Installing the Chart
+
+To install this App on TrueNAS SCALE check our [Quick-Start Guide](https://truecharts.org/manual/Quick-Start%20Guides/02-Installing-an-App/).
+
+## Upgrading, Rolling Back and Uninstalling the Chart
+
+To upgrade, rollback or delete this App from TrueNAS SCALE check our [Quick-Start Guide](https://truecharts.org/manual/Quick-Start%20Guides/04-Upgrade-rollback-delete-an-App/).
+
+## Support
+
+- Please check our [quick-start guides](https://truecharts.org/manual/Quick-Start%20Guides/01-Adding-TrueCharts/) first.
+- See the [Wiki](https://truecharts.org)
+- Check our [Discord](https://discord.gg/tVsPTHWTtr)
+- Open a [issue](https://github.com/truecharts/apps/issues/new/choose)
+---
+All Rights Reserved - The TrueCharts Project