Update notebooks to use dict instead of yaml and remove dataloaders (#1075)

notebooks/vertex_ai.ipynb

@@ -30,7 +30,7 @@
       },
       "outputs": [],
       "source": [
-        "!pip install embedchain[dataloaders,vertexai]"
+        "!pip install embedchain[vertexai]"
       ]
     },
     {
@@ -58,50 +58,13 @@
         "os.environ[\"OPENAI_API_KEY\"] = \"sk-xxx\""
       ]
     },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "Ns6RhPfbiitr"
-      },
-      "source": [
-        "### Step-3: Define your llm and embedding model config"
-      ]
-    },
-    {
-      "cell_type": "code",
-      "execution_count": null,
-      "metadata": {
-        "id": "S9CkxVjriotB"
-      },
-      "outputs": [],
-      "source": [
-        "config = \"\"\"\n",
-        "llm:\n",
-        "  provider: vertexai\n",
-        "  config:\n",
-        "    model: 'chat-bison'\n",
-        "    temperature: 0.5\n",
-        "    max_tokens: 1000\n",
-        "    stream: false\n",
-        "\n",
-        "embedder:\n",
-        "  provider: vertexai\n",
-        "  config:\n",
-        "    model: 'textembedding-gecko'\n",
-        "\"\"\"\n",
-        "\n",
-        "# Write the multi-line string to a YAML file\n",
-        "with open('vertexai.yaml', 'w') as file:\n",
-        "    file.write(config)"
-      ]
-    },
     {
       "cell_type": "markdown",
       "metadata": {
         "id": "PGt6uPLIi1CS"
       },
       "source": [
-        "### Step-4 Create embedchain app based on the config"
+        "### Step-3 Create embedchain app and define your config"
       ]
     },
     {
@@ -117,7 +80,23 @@
       },
       "outputs": [],
       "source": [
-        "app = App.from_config(config_path=\"vertexai.yaml\")"
+        "app = App.from_config(config={\n",
+        "    \"llm\": {\n",
+        "        \"provider\": \"vertexai\",\n",
+        "        \"config\": {\n",
+        "            \"model\": \"chat-bison\",\n",
+        "            \"temperature\": 0.5,\n",
+        "            \"max_tokens\": 1000,\n",
+        "            \"stream\": False\n",
+        "        }\n",
+        "    },\n",
+        "    \"embedder\": {\n",
+        "        \"provider\": \"vertexai\",\n",
+        "        \"config\": {\n",
+        "            \"model\": \"textembedding-gecko\"\n",
+        "        }\n",
+        "    }\n",
+        "})"
       ]
     },
     {
@@ -126,7 +105,7 @@
         "id": "XNXv4yZwi7ef"
       },
       "source": [
-        "### Step-5: Add data sources to your app"
+        "### Step-4: Add data sources to your app"
       ]
     },
     {
@@ -146,7 +125,7 @@
         "id": "_7W6fDeAjMAP"
       },
       "source": [
-        "### Step-6: All set. Now start asking questions related to your data"
+        "### Step-5: All set. Now start asking questions related to your data"
       ]
     },
     {