Add sample config

config.sample.js

@@ -0,0 +1,54 @@
+var config = {
+
+  // In here you will define queries to execute and delete threads
+  // matched. All threads are moved to trash so you have the chance
+  // to recover them but you should test the queries before!
+  cleanup_queries: [
+    "label:newsletter older_than:6m",
+    "older_than:10y",
+  ],
+
+  // These filter definitions are applied inside your Gmail settings
+  // in the "Filters and Blocked Addresses" tab. Currently only the
+  // "query" criteria is supported. Also the actions are wrappers
+  // for the real API so you don't need to specify the label IDs in
+  // here but can use label names.
+  // All non-existent labels will be created during the apply-run.
+  filters: [
+    // Move LetsEncrypt mails to specific label
+    {
+      criteria: {
+        query: "from:@letsencrypt.org",
+      },
+      action: {
+        add_labels: ["LetsEncrypt"],
+        remove_labels: [labelInbox],
+      },
+    },
+
+    // Move Github mails to specific label
+    {
+      criteria: {
+        query: "from:github.com",
+      },
+      action: {
+        add_labels: ["Github"],
+        remove_labels: [labelInbox],
+      },
+    },
+
+    // Build a bigger multi-condition filter and delete those mails
+    {
+      criteria: {
+        query: "(" + [
+          "from:@example.com",
+          "from:news@annoying-sender.com",
+        ].join(" OR ") + ")",
+      },
+      action: {
+        add_labels: [labelTrash],
+      },
+    },
+
+  ],
+}