doc(arch): added MVP1-12-OTC

docs/technical-documentation/architecture/design/mvp1-12-otc/index.md

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+# MVP1-12-OTC Milestone
+
+Date: 24.04.25
+
+https://lucid.app/lucidspark/7134abcb-0c5e-41e5-93da-7118e285a668/edit?invitationId=inv_fbf0d105-7023-4740-806e-fcbb522ea61a&page=0_0#
+
+## Overall
+
+### Architecture
+
+![alt text](<EDP Forgejo Arch - Page 1.svg>)
+
+### Work packages
+
+![alt text](<EDP Forgejo Arch - Page 1 (2).svg>)   
+
+## EDP Foundry
+
+### Sub-Components 'Internal Services' and 'Central Observaability'           
+
+![alt text](<EDP Forgejo Arch - Page 1 (3).svg>)
+
+## EDP (deployed per tenant)
+
+### Sub-Components 'Kubernetes' and 'Cloud Services'    
+
+![alt text](<EDP Forgejo Arch - Page 1 (4).svg>)
+
+## Operator (Provisioning Pipeline)
+
+### Sub-Components 'Forgejo-Actions' and 'ArgoCD'  
+
+![alt text](<EDP Forgejo Arch - Page 1 (5).svg>)
+
+![alt text](<EDP Forgejo Arch - Page 1 (6).svg>)