adds worfflow

[hythloda]

Description

This PR adds a nightly workflow that pulls from pcc the members and to update member page.

Testing has been done in the fork: https://github.com/hythloda/riscv-landscape/pull/3/files

The images are pulled from PCC, this means images are always updated. Also member data is pulled from the API endpoint

Some pros with this system is it is automatically synced for new members and removes old members. Though the backend relies on crunchbase and not all community organizations have crunchbase. This is something we could get them to implement if we want to move in this direction.

We should probably have a sync before this is merged so I can reach out to the orgs that don't have a crunchbase and give them a migration plan (1 month for crunchbase or they will not be on landscape).

Then we can replace https://riscv.org/members/ with the automated one and less to migrate to the new website (no need for members category in new wordpress)

RISC-V Landscape | Pre-submission checklist:

NOTE: Please ensure you've completed each of these items after submitting your pull request:

• [ ] Have you included a repo_url? Please select the most suitable GitHub repository for your project, rather than a GitHub organization.
• [ ] Is your project open source?
• [ ] Is the project currently and actively maintained (e.g., accepts pull requests, responds to issues)?
• [ ] Have you chosen the most appropriate (existing) category for your project?
• [ ] Does your submission adhere to the other guidelines from the new entries section?
• [ ] Have you added your logo's SVG to the hosted_logos directory and referenced it in the landscape.yml entry?
• [ ] Does your logo clearly display the project/product name and follow the other logo guidelines?
• [ ] Does the project name correspond with the text on the logo?
• [ ] Have you verified the accuracy of the Crunchbase data for your organization, including headquarters and LinkedIn?
• [ ] Approximately 5 minutes after opening the pull request, the RISC-V_Bot will post the URL for your staging server. Have you reviewed the site, confirmed it appears as expected, and then added a comment to the PR stating "LGTM"?

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