[DBBackup] Add pica01 configuration

pica-db-backup/config/pica01.json

+{
+  "mattermost":
+    {
+      "Host": "mattermost-db",
+      "Port": "5432",
+      "User": "MATTERMOST_DB_USER",
+      "Password": "MATTERMOST_DB_PASSWORD",
+      "Database": "mattermost",
+      "Type": "postgres",
+      "Folder": "mattermost",
+      "Cron" : "0 * * * *",
+      "Init-Backup" : "1",
+      "Backup-Rota":
+          {
+              "Hour" : 24,
+              "Day" : 7,
+              "Week" : 4,
+              "Month" : 12
+          }
+    },
+  "etherpad":
+    {
+      "Host": "etherpad-db",
+      "Port": "3306",
+      "User": "ETHERPAD_DB_USER",
+      "Password": "ETHERPAD_DB_PASSWORD",
+      "Database": "--all-databases",
+      "Type": "mysql",
+      "Folder": "etherpad",
+      "Cron" : "0 */6 * * *",
+      "Options" : "--single-transaction",
+      "Init-Backup" : "1",
+      "Backup-Rota":
+          {
+              "Hour" : 24,
+              "Day" : 7,
+              "Week" : 4,
+              "Month" : 12
+          }
+    }
+}

pica-db-backup/secrets/db.secrets.example

-HOSTNAME=pica02
-ETHERPAD_DB_USER=test
-ETHERPAD_DB_PASSWORD=test
+HOSTNAME=pica0<X>
+ETHERPAD_DB_USER=
+ETHERPAD_DB_PASSWORD=
+MATTERMOST_DB_USER=
+MATTERMOST_DB_PASSWORD=