docs: add mkdocs, update links, add architecture documentation

docs/content/stories/phase2/2.1.2-create-pkgauthauthgo-interfaces.md

@@ -0,0 +1,56 @@
+# Task 2.1.2: Create `pkg/auth/auth.go` interfaces:
+
+## Metadata
+- **Task ID**: 2.1.2
+- **Title**: Create `pkg/auth/auth.go` interfaces:
+- **Phase**: 2 - Authentication & Authorization
+- **Section**: 2.1
+- **Status**: Pending
+- **Priority**: High
+- **Estimated Time**: TBD
+- **Dependencies**: TBD
+
+## Description
+Create `pkg/auth/auth.go` interfaces:
+
+## Requirements
+- Create `pkg/auth/auth.go` interfaces:
+
+## Implementation Steps
+1. TODO: Add implementation steps
+2. TODO: Add implementation steps
+3. TODO: Add implementation steps
+
+## Acceptance Criteria
+- [ ] Task 2.1.2 is completed
+- [ ] All requirements are met
+- [ ] Code compiles and tests pass
+
+## Related ADRs
+- See relevant ADRs in `docs/adr/`
+
+## Implementation Notes
+- TODO: Add implementation notes
+
+## Testing
+```bash
+# TODO: Add test commands
+go test ./...
+```
+
+
+## Code Reference
+
+```go
+type Authenticator interface {
+      GenerateToken(userID string, roles []string, tenantID string) (string, error)
+      VerifyToken(token string) (*TokenClaims, error)
+  }
+  
+  type TokenClaims struct {
+      UserID   string
+      Roles    []string
+      TenantID string
+      ExpiresAt time.Time
+  }
+```