chore(apps): App-Icon Organization (#1539)

charts/core/k8s-gateway/Chart.yaml

@@ -7,7 +7,7 @@ dependencies:
 deprecated: false
 description: A Helm chart for the k8s_gateway CoreDNS plugin
 home: https://github.com/truecharts/apps/tree/master/charts/stable/k8s-gateway
-icon: https://cncf-branding.netlify.app/img/projects/coredns/icon/black/coredns-icon-black.png
+icon: https://truecharts.org/_static/img/appicons/k8s-gateway-icon.png
 keywords:
 - DNS
 - networking

charts/core/metallb/Chart.yaml

@@ -3,7 +3,7 @@ appVersion: "upstream"
 deprecated: false
 description: A network load-balancer implementation for Kubernetes using standard routing protocols
 home: https://github.com/truecharts/apps/tree/master/charts/stable/metallb
-icon: https://metallb.universe.tf/images/logo/metallb-white.png
+icon: https://truecharts.org/_static/img/appicons/metallb-icon.png
 keywords:
 - metallb
 - loadbalancer

charts/core/prometheus/Chart.yaml

@@ -14,7 +14,7 @@ dependencies:
   version: 2.1.19
 deprecated: false
 description: kube-prometheus-stack collects Kubernetes manifests, Grafana dashboards, and Prometheus rules combined with documentation and scripts to provide easy to operate end-to-end Kubernetes cluster monitoring with Prometheus using the Prometheus Operator.
-icon: https://raw.githubusercontent.com/prometheus/prometheus.github.io/master/assets/prometheus_logo-cb55bb5c346.png
+icon: https://truecharts.org/_static/img/appicons/prometheus-icon.png
 home: https://github.com/truecharts/apps/tree/master/charts/stable/prometheus
 keywords:
 - metrics

charts/core/traefik/Chart.yaml

@@ -7,7 +7,7 @@ dependencies:
 deprecated: false
 description: Test App for Traefik
 home: https://github.com/truecharts/apps/tree/master/charts/stable/traefik
-icon: https://raw.githubusercontent.com/traefik/traefik/v2.3/docs/content/assets/img/traefik.logo.png
+icon: https://truecharts.org/_static/img/appicons/traefik-icon.png
 keywords:
 - traefik
 - ingress