chore: update docs and specs

docs/examples/0.15.x/console-web/examples/databases/delete-collection.md

@@ -0,0 +1,18 @@
+import { Client, Databases } from "appwrite";
+
+const client = new Client();
+
+const databases = new Databases(client);
+
+client
+    .setEndpoint('https://[HOSTNAME_OR_IP]/v1') // Your API Endpoint
+    .setProject('5df5acd0d48c2') // Your project ID
+;
+
+const promise = databases.deleteCollection('[DATABASE_ID]', '[COLLECTION_ID]');
+
+promise.then(function (response) {
+    console.log(response); // Success
+}, function (error) {
+    console.log(error); // Failure
+});