feature/migrate models (#16)

* feat: add new supported attestation formats to genesis

* feat: refactor keyType to keytype enum

* refactor: remove unused imports and code

* refactor: update main.go to use src package

* refactor: move web-related structs from  to

* refactor: move client middleware package to root

* refactor: remove unused IndexedDB dependency

* feat: update worker implementation to use

* feat: add Caddyfile and Caddy configuration for vault service

* refactor(config): move keyshare and address to Motr config

* fix: validate service origin in AllocateVault

* chore: remove IndexedDB configuration

* feat: add support for IPNS-based vault access

x/did/builder/macroon.go

@@ -1,48 +0,0 @@
-package builder
-
-import (
-	"net/http"
-
-	"github.com/labstack/echo/v4"
-	"gopkg.in/macaroon.v2"
-
-	"gopkg.in/macaroon-bakery.v2/bakery/checkers"
-)
-
-var PermissionNamespace *checkers.Namespace
-
-func ValidateMacaroonMiddleware(secretKey []byte, location string) echo.MiddlewareFunc {
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			// Extract the macaroon from the Authorization header
-			auth := c.Request().Header.Get("Authorization")
-			if auth == "" {
-				return c.JSON(http.StatusUnauthorized, map[string]string{"error": "Missing Authorization header"})
-			}
-
-			// Decode the macaroon
-			mac, err := macaroon.Base64Decode([]byte(auth))
-			if err != nil {
-				return c.JSON(http.StatusBadRequest, map[string]string{"error": "Invalid macaroon encoding"})
-			}
-
-			token, err := macaroon.New(secretKey, mac, location, macaroon.LatestVersion)
-			if err != nil {
-				return c.JSON(http.StatusBadRequest, map[string]string{"error": "Invalid macaroon"})
-			}
-
-			// Verify the macaroon
-			err = token.Verify(secretKey, func(caveat string) error {
-				// Implement your caveat verification logic here
-				// For example, you might check if the caveat is still valid (e.g., not expired)
-				return nil // Return nil if the caveat is valid
-			}, nil)
-			if err != nil {
-				return c.JSON(http.StatusUnauthorized, map[string]string{"error": "Invalid macaroon"})
-			}
-
-			// Macaroon is valid, proceed to the next handler
-			return next(c)
-		}
-	}
-}