Add initial Skills support (.agents/skills)

[jabrena]

• https://cursor.com/docs/context/skills

[jabrena]

• https://platform.claude.com/docs/en/agents-and-tools/agent-skills/overview

[jabrena]

• https://github.com/jeffallan/claude-skills

[jabrena]

https://skills.sh/jeffallan/claude-skills/java-architect

[jabrena]

https://github.com/aristo-Cat/everything-claude-code/tree/0b11849f1e706b66f9f7c6d95898d808e8dddeb8/.cursor/skills/java-coding-standards

[jabrena]

https://github.com/VoltAgent/awesome-agent-skills

[jabrena]

https://github.com/vjrivmon/Setup-Software-IA/tree/main/.agents/skills

[jabrena]

https://github.com/ev3rlit/doodle/tree/main/.claude/skills/java-error-as-value

[jabrena]

https://github.com/jdaugherty/grails-core/tree/890e2fd220189368610ee3a65dd3421331b60be6

[jabrena]

https://support.claude.com/en/articles/12512180-using-skills-in-claude