PI-2180: Add Prison Eduction and Delius docs (#4238)

projects/prison-education-and-delius/README.md

@@ -1,3 +1,22 @@
-# prison-education-and-delius
+# Prison Education and Delius
 
-// TODO Describe the service
+Prison Education is a DPS service that pulls together existing prisoner data related to activities and education, and also the creation of a work readiness profile for a prisoner. This profile is created and used by a Prison Education Lead to prepare an offender leaving prison to gain employment.
+
+## Business Need
+
+To provide the Prison Education system with background information from the probation systems, allowing better matching of candidates to potential work opportunities.
+
+## Context Map
+
+![Context Map](./tech-docs/source/img/prison-education-context-map.svg)
+
+## Interfaces
+
+### API Access Control
+
+API endpoints are secured by roles supplied by the HMPPS Auth client used in
+the requests
+
+| API Endpoint | Required Role                                         |
+|--------------|-------------------------------------------------------|
+| All          | ROLE_PROBATION\_API_\_PRISON\_EDUCATION_\_CASE_DETAIL |

projects/prison-education-and-delius/tech-docs/diag/prison-education-context-map.d2

@@ -0,0 +1,31 @@
+
+style { ...@../../../../script/style.style }
+vars { ...@../../../../script/style.vars }
+** { ...@../../../../script/style.all-style }
+
+context-delius: Delius Context {
+
+  entities: Entities {
+    grid-columns: 3
+    staff: Staff
+    pop: Person on Probation
+    offender-manager: Offender Manager
+    address: Address
+  }
+
+
+  interface: Prison Education\n and Delius {
+    type: Anti-Corruption\nLayer
+  }
+}
+
+context-prison-education: Prison Education Context {
+  entities: Entities {
+    grid-columns: 3
+    pop: Person on Probation
+    address: Address
+    community-manager: Community Manager
+  }
+}
+
+context-delius.interface--context-prison-education: Upstream\n\n\nDownstream