update chart url and image/app version

Author: carlosrodfern

README.md

@@ -10,7 +10,7 @@ Helm's [documentation](https://helm.sh/docs) to get started.
 Once Helm has been set up correctly, add the repo as follows:
 
 ```sh
-helm repo add viseron https://carlosrodfern.github.io/viseron-helm-chart
+helm repo add viseron https://roflcoopter.github.io/viseron-helm-chart
 ```
 
 If you had already added this repo earlier, run `helm repo update` to retrieve

charts/viseron/Chart.yaml

@@ -2,5 +2,5 @@ apiVersion: v2
 name: viseron
 description: A Helm chart for viseron
 type: application
-version: 0.1.1
-appVersion: "2.3.0"
+version: 0.1.2
+appVersion: "2.3.1"  # default viseron image tag