[Refactor] Converge Pipeline and App classes (#1021)

Co-authored-by: Deven Patel <deven298@yahoo.com>

notebooks/azure-openai.ipynb

@@ -44,7 +44,7 @@
    "outputs": [],
    "source": [
     "import os\n",
-    "from embedchain import Pipeline as App\n",
+    "from embedchain import App\n",
     "\n",
     "os.environ[\"OPENAI_API_TYPE\"] = \"azure\"\n",
     "os.environ[\"OPENAI_API_BASE\"] = \"https://xxx.openai.azure.com/\"\n",
@@ -143,7 +143,7 @@
    "source": [
     "while(True):\n",
     "    question = input(\"Enter question: \")\n",
-    "    if question in ['q', 'exit', 'quit']\n",
+    "    if question in ['q', 'exit', 'quit']:\n",
     "        break\n",
     "    answer = app.query(question)\n",
     "    print(answer)"