(fix) move posterr to stable. (#3921)

* (fix) move posterr to stable.

* base_path is not supported

Co-authored-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>

charts/stable/posterr/Chart.yaml

@@ -0,0 +1,30 @@
+apiVersion: v2
+appVersion: "latest"
+dependencies:
+  - name: common
+    repository: https://library-charts.truecharts.org
+    version: 10.6.4
+deprecated: false
+description: Media display for Plex, Sonarr and Radarr.
+home: https://truecharts.org/docs/charts/stable/posterr
+icon: https://truecharts.org/img/hotlink-ok/chart-icons/posterr.png
+keywords:
+  - posterr
+  - MediaServer-Other
+kubeVersion: ">=1.16.0-0"
+maintainers:
+  - email: info@truecharts.org
+    name: TrueCharts
+    url: https://truecharts.org
+name: posterr
+sources:
+  - https://github.com/truecharts/charts/tree/master/charts/incubator/posterr
+  - https://github.com/petersem/posterr
+  - https://hub.docker.com/r/petersem/posterr/
+type: application
+version: 1.0.0
+annotations:
+  truecharts.org/catagories: |
+    - MediaServer-Other
+  truecharts.org/SCALE-support: "true"
+  truecharts.org/grade: U