Add TechRole Index Open Data to datasets

[Platoonzurflow]

Adds the TechRole Index open-data catalog to the datasets list. The entry points to daily Russian IT vacancy-publication metrics by profession, seniority, region, salary and currency in JSON/CSV with machine-readable metadata.

Source: https://techrole.ru/open-data-daily
Methodology: https://techrole.ru/methodology
DOI: https://doi.org/10.5281/zenodo.21559744

Summary

Daily aggregates of IT vacancy publications in Russia, with reproducible distributions and schema/provenance metadata.

Tip Requirement (Required)

• Fully open source: $1 one-time tip.
• Service or closed source: $1 monthly tip or $12 yearly tip.
  Tip details/link: No payment handle; this is an open-data catalog entry.

License Type (Required)

• MIT
• CC0
• Apache-2.0
• BSD-2-Clause
• BSD-3-Clause
• MPL-2.0
• LGPL-2.1
• LGPL-3.0
• AGPL-3.0-or-later
• GPL-2.0-or-later
• GPL-3.0-or-later
• Unlicense
• Creative Commons (CC-BY, CC-BY-SA, etc.)
• Proprietary / Closed Source
• Other (define below)
  License details (required): Russian Federation Standard Open Data Terms: https://rospatent.gov.ru/ru/opendata/uslovia-od . The dataset does not relicense source vacancy records; see methodology and DOI metadata.

Your Relationship to This Project (Required)

• Owner
• Representative
• Maintainer
• Core Team Member
• Contributor
• Employee
• Contractor
• Community Member
• Other (define below)
  If Other, define your role: N/A

Checklist

• I confirm the information above is accurate.
• I have read CONTRIBUTING.md and followed the repository format.
• I verified links and descriptions in my change.

[hmert]

@Platoonzurflow thank you for your contribution. I see that there is a premium service for your website/service. We kindly request a small support tip of $1/month or $12/year.

[hmert]

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