docs: Add Code of Conduct link and EU funding logo to README

[isanmaz]

This PR adds a link to the Code of Conduct and the EU funding logo to the README.

[coderabbitai]

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[Copilot]

Pull request overview

Updates repository documentation to surface community conduct guidance and acknowledge EU funding in the project’s main README.

Changes:

• Adds an additional Code of Conduct link section to README.md
• Adds an EU funding logo image to README.md

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[Copilot]

The funding logo is loaded from an external domain (apeirora.eu). For reliability and to avoid unexpected third-party requests when viewing the README, consider vendoring the image into the repo (or using an official, long-term stable host) and referencing it with a relative path.

Suggested change

	<p align="center"><img alt="Bundesministerium für Wirtschaft und Energie (BMWE)-EU funding logo" src="https://apeirora.eu/assets/img/BMWK-EU.png" width="400"/></p>
	<p align="center"><img alt="Bundesministerium für Wirtschaft und Energie (BMWE)-EU funding logo" src="assets/BMWK-EU.png" width="400"/></p>

[Copilot]

The img alt text contains "(BMWE)" while the referenced filename is "BMWK-EU.png". Please verify the correct acronym/ministry name and make the alt text consistent (and accurate) for accessibility.

Suggested change

	<p align="center"><img alt="Bundesministerium für Wirtschaft und Energie (BMWE)-EU funding logo" src="https://apeirora.eu/assets/img/BMWK-EU.png" width="400"/></p>
	<p align="center"><img alt="Bundesministerium für Wirtschaft und Klimaschutz (BMWK) – EU funding logo" src="https://apeirora.eu/assets/img/BMWK-EU.png" width="400"/></p>

[Copilot]

There are two consecutive blank lines inserted before the added section. Please keep spacing consistent with the rest of the README (typically a single blank line between sections).

Suggested change

[Copilot]

This adds a second "## Code of Conduct" section at the end of the README, but there is already a "## Code of Conduct" section earlier in the same file. Please remove the duplicate heading/content and place the new EU funding logo under an appropriate existing or new section (e.g., "Funding") instead.

Suggested change

	## Code of Conduct
	To facilitate a nice environment for all, check out our [Code of Conduct](https://github.com/openkcm/.github/blob/main/CODE_OF_CONDUCT.md).
	## Funding