Add comprehensive documentation for roles, security, spending policies, and organizational identity

- Introduced a new document detailing the roles and accountabilities within Respellion, outlining the Holacracy structure and operational roles.
- Created a security policy document covering GDPR compliance, personal data handling, and workplace safety procedures.
- Added a spending and contracting policy that defines expense categories, reimbursement processes, and guidelines for asset expenses.
- Established a document outlining Respellion's identity, services, governance model, and onboarding procedures for new employees.

knowledge-base/Rebel ideas.md

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+- [ ] Whereabouts voor kantoor aanwezigheid 
+- [ ] Interne kennis teams
+- [ ] Check Daisy labs 
+- [ ] DCMR hidden layer run voor AI litteracy
+- [ ] AI works summit voor Evan
+- [ ] Klantevemementen 
+- [ ] Lectures TU
+- [ ] Marketing targets stellen