Dockerize Potree and PotreeConverter with Configurable Ports

[Mrx-Sachin]

Description:
This PR dockerizes both Potree and PotreeConverter, allowing users to change the default port (1234) to any desired port by modifying the Dockerfile. Additionally, the setup supports hosting Potree data generated by PotreeConverter.

Steps to Build and Run:

1. Build the Docker image:

   docker build -t potree_complete .

2. Before running Docker Compose, ensure to update the output folder path in the configuration. This is where Potree will host the generated data.
3. Start the services using Docker Compose:

   docker-compose up -d

4. Generate Potree Data with Python Script:
   Use the provided script to generate Potree data.
   Example command:

python generate_potree.py <input_file / folder> <output_dir> --remove_int64