…riever.py

…a22/langflowdev into Vectara-component-update

This is a draft of a custom component to access the Ollama API endpoint.

### Pull Request for Issue #1217 
[feature
request](https://github.com/logspace-ai/langflow/labels/feature%20request)
[python](https://github.com/logspace-ai/langflow/labels/python)

**Description**
This pull request addresses issue #1217 , which concerns the ability to
add files directly to the Vectara vector store using the indexing API's
file upload feature.

**Changes Made**
I have implemented the ability to add files directly to the Vectara
vector store by providing URLs of documents online. The add_files()
method (as well as from_files()) has been added to facilitate this
functionality.

**Files Modified/Added**
Modified: vectara.py

…mpty before rendering dropdown component

fix(chatInput): add condition to check if chatValue is an empty object before displaying message
fix(chatMessage): remove useMemo hook and fix condition to check if chat message is empty before displaying message
fix(formModal): add conditions to check if thought and files exist before updating chat object
fix(genericModal): add condition to check if inputVariables exist before displaying notice or success message

fix(dropdownComponent): add condition to check if options object is
empty before rendering dropdown component

fix(chatInput): add condition to check if chatValue is an empty object
before displaying message
fix(chatMessage): remove useMemo hook and fix condition to check if chat
message is empty before displaying message
fix(formModal): add conditions to check if thought and files exist
before updating chat object
fix(genericModal): add condition to check if inputVariables exist before
displaying notice or success message

This pull request updates the version in pyproject.toml to 0.6.4a0.

This pull request adds a Dockerfile for building and pushing the application image. The Dockerfile includes the necessary steps to set up the environment, install dependencies, and run the application.

…_modules and dist directories (#1266)

This pull request updates the bcrypt version to 4.0.1 and adds .dockerignore entries for the node_modules and dist directories.

… integration (#1267)

This pull request includes the following changes:

- Update .dockerignore file

- Add QEMU, Docker Buildx, and Docker Hub integration

### Pull Request for Issue #1246 

**Description**,
This pull request addresses issue #1246, which proposes the addition of
a self-query retriever according to the LangChain Vectara integration.
The self-query retriever aims to empower users with the ability to
perform queries directly within the Vectara component(vector store).

**Changes Made**
I have added one more file under
`src\backend\langflow\components\retrievers` which contains a new
VectaraSelfQueryRetriverComponent class

**Files Added:** VectaraSelfQueryRetriever.py

**langchain documentation for this component:**

https://python.langchain.com/docs/integrations/retrievers/self_query/vectara_self_query

This is a draft of a custom component to access the Ollama API endpoint.