Update PgAdmin to fix folder premission issues.

template/apps/pgadmin.json

@@ -35,6 +35,7 @@
     "image_arm64": "dpage/pgadmin4:latest",
     "image_amd64": "dpage/pgadmin4:latest",
     "logo": "https://raw.githubusercontent.com/pi-hosted/pi-hosted/master/images/pgadmin.png",
+    "preInstallScript": "install_pgadmin.sh",
     "name": "pgadmin",
     "platform": "linux",
     "ports": [
@@ -45,7 +46,7 @@
     "type": 1,
     "volumes": [
         {
-            "bind": "/portainer/Files/AppData/Config/pgAdmin",
+            "bind": "/portainer/Files/AppData/Config/pgadmin",
             "container": "/var/lib/pgadmin"
         }
     ],

tools/install_pgadmin.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+function error {
+  echo -e "\\e[91m$1\\e[39m"
+  exit 1
+}
+
+echo "Creating directory..."
+sudo mkdir -p /portainer/Files/AppData/Config/pgadmin || error "Failed to create pgadmin folder!"
+sudo mkdir -p /portainer/Files/AppData/Config/pgadmin || error "Failed to create pgadmin folder!"
+sudo chown -R 5050:root /portainer/Files/AppData/Config/pgadmin || error "Failed to create pgadmin folder!"
+echo "Setup complete. You can now install the PgAdmin using the App Template."