docs: add initial ADR for vc-api

.adr-dir

@@ -0,0 +1 @@
+apps/vc-api/docs/architecture/decisions

README.md

@@ -32,6 +32,12 @@ const did = generateDID(key); // Code from ssi-did lib. Returns initial DID Docu
 #### KMS Interface
 
 ## Technology Decisions
+
+Architecture Decision Records are used to track technology and architecture decsions
+(see [ADR 01](./apps/vc-api/docs/architecture/decisions/0001-record-architecture-decisions.md)).
+
+The Architecture Decisions Records can be found [here](apps/vc-api/docs/architecture/decisions).
+
 ### Rationale for Spruce DIDKit
 Spruce's DIDKit is used for DID generation and credential issuance & verification.
 The rational for DIDKit's use is that it:

apps/vc-api/docs/architecture/decisions/0001-record-architecture-decisions.md

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+# 1. Record architecture decisions
+
+Date: 2024-09-25
+
+## Status
+
+Accepted
+
+## Context
+
+We need to record the architectural decisions made on this project.
+
+## Decision
+
+We will use Architecture Decision Records, as [described by Michael Nygard](http://thinkrelevance.com/blog/2011/11/15/documenting-architecture-decisions).
+
+## Consequences
+
+See Michael Nygard's article, linked above. For a lightweight ADR toolset, see Nat Pryce's [adr-tools](https://github.com/npryce/adr-tools).