Update docs (#1170)

docs/components/data-sources/pdf-file.mdx

@@ -4,13 +4,6 @@ title: '📰 PDF'
 
 You can load any pdf file from your local file system or through a URL.
 
-## Setup
-Install the following packages for loading youtube videos which help in transcription.
-
-```bash
-pip install pytube youtube-transcript-api
-```
-
 ## Usage
 
 ### Load from a local file
@@ -29,7 +22,7 @@ app = App()
 app.add('https://arxiv.org/pdf/1706.03762.pdf', data_type='pdf_file')
 app.query("What is the paper 'attention is all you need' about?", citations=True)
 # Answer: The paper "Attention Is All You Need" proposes a new network architecture called the Transformer, which is based solely on attention mechanisms. It suggests that complex recurrent or convolutional neural networks can be replaced with a simpler architecture that connects the encoder and decoder through attention. The paper discusses how this approach can improve sequence transduction models, such as neural machine translation.
-# Contexts: 
+# Contexts:
 # [
 #     (
 #         'Provided proper attribution is ...',

docs/components/data-sources/youtube-channel.mdx

@@ -2,15 +2,17 @@
 title: '📽️ Youtube Channel'
 ---
 
-To add all the videos from a youtube channel to your app, use the data_type as `youtube_channel`.
+## Setup
 
-<Note>
 Make sure you have all the required packages installed before using this data type. You can install them by running the following command in your terminal.
 
 ```bash
 pip install -u "embedchain[youtube]"
 ```
-</Note>
+
+## Usage
+
+To add all the videos from a youtube channel to your app, use the data_type as `youtube_channel`.
 
 ```python
 from embedchain import App

docs/components/data-sources/youtube-video.mdx

@@ -2,6 +2,16 @@
 title: '📺 Youtube Video'
 ---
 
+## Setup
+
+Make sure you have all the required packages installed before using this data type. You can install them by running the following command in your terminal.
+
+```bash
+pip install -u "embedchain[youtube]"
+```
+
+## Usage
+
 To add any youtube video to your app, use the data_type as `youtube_video`. Eg:
 
 ```python

docs/mint.json

@@ -199,18 +199,18 @@
     {
       "group": "API Reference",
       "pages": [
-        "api-reference/pipeline/overview",
+        "api-reference/app/overview",
         {
-          "group": "Pipeline methods",
+          "group": "App methods",
           "pages": [
-            "api-reference/pipeline/add",
-            "api-reference/pipeline/query",
-            "api-reference/pipeline/chat",
-            "api-reference/pipeline/search",
-            "api-reference/pipeline/deploy",
-            "api-reference/pipeline/reset",
-            "api-reference/pipeline/delete",
-            "api-reference/pipeline/evaluate"
+            "api-reference/app/add",
+            "api-reference/app/query",
+            "api-reference/app/chat",
+            "api-reference/app/search",
+            "api-reference/app/deploy",
+            "api-reference/app/reset",
+            "api-reference/app/delete",
+            "api-reference/app/evaluate"
           ]
         },
         "api-reference/store/openai-assistant",