Rename embedchain to mem0 and open sourcing code for long term memory (#1474)

Co-authored-by: Deshraj Yadav <deshrajdry@gmail.com>

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

@@ -0,0 +1,43 @@
+---
+title: '📰 PDF'
+---
+
+You can load any pdf file from your local file system or through a URL.
+
+## Usage
+
+### Load from a local file
+
+```python
+from embedchain import App
+app = App()
+app.add('/path/to/file.pdf', data_type='pdf_file')
+```
+
+### Load from URL
+
+```python
+from embedchain import App
+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:
+# [
+#     (
+#         'Provided proper attribution is ...',
+#         {
+#             'page': 0,
+#             'url': 'https://arxiv.org/pdf/1706.03762.pdf',
+#             'score': 0.3676220203221626,
+#             ...
+#         }
+#     ),
+# ]
+```
+
+We also store the page number under the key `page` with each chunk that helps understand where the answer is coming from. You can fetch the `page` key while during retrieval (refer to the example given above).
+
+<Note>
+Note that we do not support password protected pdf files.
+</Note>