Provide a k8s secret containing Mastodon Access Token

To auto-post on publishing a new blog post.

app-of-apps/drone.jsonnet

@@ -42,5 +42,24 @@ appDef.localApplication(name="drone"),
         refreshAfter: "30s",
         vaultAuthRef: "static-auth"
     }
+},
+{
+    apiVersion: "secrets.hashicorp.com/v1beta1",
+    kind: "VaultStaticSecret",
+    metadata: {
+        name: "mastodon-creds",
+        namespace: "drone"
+    },
+    spec: {
+        type: "kv-v2",
+        mount: "shared-secrets",
+        path: "mastodon/creds",
+        destination: {
+            name: "mastodon-creds",
+            create: true
+        },
+        refreshAfter: "30s",
+        vaultAuthRef: "static-auth"
+    }
 }
 ]