Create certs.md (#27013)

Author: georgekarrv

docs/Contributing/responsibilities/mdm/certs.md

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+# MDM Cert responsibilities
+
+## FleetDM CSR Cert
+
+- Responsible Member: @georgekarrv
+- [Renewal Steps](https://fleetdm.com/handbook/engineering#renew-mdm-certificate-signing-request-csr)
+- Next Renewal: Aug 24, 2025
+- Expires: Sep 24, 2025
+- Issues if missed: Customers won't be able to configure or renew APNs
+
+## Dogfood APNs
+
+- Responsible Member: @georgekarrv
+- [Renewal Steps](https://dogfood.fleetdm.com/settings/integrations/mdm/apple)
+- Next Renewal: Jan 19, 2026
+- Expires: February 19, 2026
+- Issues if missed: Dogfood devices will stop working with mdm
+
+## Dogfood ABM
+
+- Responsible Member: @georgekarrv
+- [Renewal Steps](https://dogfood.fleetdm.com/settings/integrations/mdm/abm)
+- Next Renewal: September 17, 2025
+- Expires: October 17, 2025
+- Issues if missed: DEP enrollment and ABM hosts stop working
+
+## Dogfood VPP
+
+- Responsible Member: @georgekarrv
+- [Renewal Steps](https://dogfood.fleetdm.com/settings/integrations/mdm/vpp)
+- Next Renewal: May 24, 2025
+- Expires: June 24, 2025
+- Issues if missed: VPP Apps for dogfood devices stop working
+
+## QAWolf Premium APNs
+
+- Responsible Member: @georgekarrv
+- [Renewal Steps](https://qawolf-premium.cloud.fleetdm.com/settings/integrations/mdm/apple)
+- Next Renewal: December 2, 2025
+- Expires: January 2, 2026
+- Issues if missed: QAWolf ec2 devices will stop working with mdm
+
+## QAWolf Premium ABM
+
+- Responsible Member: @georgekarrv
+- [Renewal Steps](https://qawolf-premium.cloud.fleetdm.com/settings/integrations/mdm/abm)
+- Next Renewal: December 2, 2025
+- Expires: January 2, 2026
+- Issues if missed: DEP enrollment and ABM hosts stop working
+
+## QAWolf Free APNs
+
+- Responsible Member: @georgekarrv
+- [Renewal Steps](https://qawolf-free.cloud.fleetdm.com/settings/integrations/mdm/apple)
+- Next Renewal: December 28, 2025
+- Expires: January 28, 2026
+- Issues if missed: QAWolf ec2 devices will stop working with mdm