[Feature]: Add posthog anonymous telemetry and update docs (#867)

docs/data-sources/csv.mdx

@@ -5,7 +5,7 @@ title: '📊 CSV'
 To add any csv file, use the data_type as `csv`. `csv` allows remote urls and conventional file paths. Headers are included for each line, so if you have an `age` column, `18` will be added as `age: 18`. Eg:
 
 ```python
-from embedchain import App
+from embedchain import Pipeline as App
 
 app = App()
 app.add('https://people.sc.fsu.edu/~jburkardt/data/csv/airtravel.csv', data_type="csv")

docs/data-sources/data-type-handling.mdx

@@ -35,7 +35,7 @@ Default behavior is to create a persistent vector db in the directory **./db**.
 Create a local index:
 
 ```python
-from embedchain import App
+from embedchain import Pipeline as App
 
 naval_chat_bot = App()
 naval_chat_bot.add("https://www.youtube.com/watch?v=3qHkcs3kG44")
@@ -45,7 +45,7 @@ naval_chat_bot.add("https://navalmanack.s3.amazonaws.com/Eric-Jorgenson_The-Alma
 You can reuse the local index with the same code, but without adding new documents:
 
 ```python
-from embedchain import App
+from embedchain import Pipeline as App
 
 naval_chat_bot = App()
 print(naval_chat_bot.query("What unique capacity does Naval argue humans possess when it comes to understanding explanations or concepts?"))

docs/data-sources/docs-site.mdx

@@ -5,7 +5,7 @@ title: '📚🌐 Code documentation'
 To add any code documentation website as a loader, use the data_type as `docs_site`. Eg:
 
 ```python
-from embedchain import App
+from embedchain import Pipeline as App
 
 app = App()
 app.add("https://docs.embedchain.ai/", data_type="docs_site")

docs/data-sources/docx.mdx

@@ -7,7 +7,7 @@ title: '📄 Docx file'
 To add any doc/docx file, use the data_type as `docx`. `docx` allows remote urls and conventional file paths. Eg:
 
 ```python
-from embedchain import App
+from embedchain import Pipeline as App
 
 app = App()
 app.add('https://example.com/content/intro.docx', data_type="docx")

docs/data-sources/mdx.mdx

@@ -5,7 +5,7 @@ title: '📝 Mdx file'
 To add any `.mdx` file to your app, use the data_type (first argument to `.add()` method) as `mdx`. Note that this supports support mdx file present on machine, so this should be a file path. Eg:
 
 ```python
-from embedchain import App
+from embedchain import Pipeline as App
 
 app = App()
 app.add('path/to/file.mdx', data_type='mdx')

docs/data-sources/notion.mdx

@@ -8,7 +8,7 @@ To load a notion page, use the data_type as `notion`. Since it is hard to automa
 The next argument must **end** with the `notion page id`. The id is a 32-character string. Eg:
 
 ```python
-from embedchain import App
+from embedchain import Pipeline as App
 
 app = App()
 

docs/data-sources/pdf-file.mdx

@@ -5,7 +5,7 @@ title: '📰 PDF file'
 To add any pdf file, use the data_type as `pdf_file`. Eg:
 
 ```python
-from embedchain import App
+from embedchain import Pipeline as App
 
 app = App()
 

docs/data-sources/qna.mdx

@@ -5,7 +5,7 @@ title: '❓💬 Queston and answer pair'
 QnA pair is a local data type. To supply your own QnA pair, use the data_type as `qna_pair` and enter a tuple. Eg:
 
 ```python
-from embedchain import App
+from embedchain import Pipeline as App
 
 app = App()
 

docs/data-sources/sitemap.mdx

@@ -5,7 +5,7 @@ title: '🗺️ Sitemap'
 Add all web pages from an xml-sitemap. Filters non-text files. Use the data_type as `sitemap`. Eg:
 
 ```python
-from embedchain import App
+from embedchain import Pipeline as App
 
 app = App()
 

docs/data-sources/text.mdx

@@ -7,7 +7,7 @@ title: '📝 Text'
 Text is a local data type. To supply your own text, use the data_type as `text` and enter a string. The text is not processed, this can be very versatile. Eg:
 
 ```python
-from embedchain import App
+from embedchain import Pipeline as App
 
 app = App()
 

docs/data-sources/web-page.mdx

@@ -5,7 +5,7 @@ title: '🌐📄 Web page'
 To add any web page, use the data_type as `web_page`. Eg:
 
 ```python
-from embedchain import App
+from embedchain import Pipeline as App
 
 app = App()
 

docs/data-sources/xml.mdx

@@ -7,7 +7,7 @@ title: '🧾 XML file'
 To add any xml file, use the data_type as `xml`. Eg:
 
 ```python
-from embedchain import App
+from embedchain import Pipeline as App
 
 app = App()
 

docs/data-sources/youtube-video.mdx

@@ -6,7 +6,7 @@ title: '🎥📺 Youtube video'
 To add any youtube video to your app, use the data_type (first argument to `.add()` method) as `youtube_video`. Eg:
 
 ```python
-from embedchain import App
+from embedchain import Pipeline as App
 
 app = App()
 app.add('a_valid_youtube_url_here', data_type='youtube_video')