Fix Docker build issues and SQL worker configuration

- Fix .dockerignore to allow dist directory for Docker builds
- Add uint8arrays dependency for crypto operations
- Configure Vite for proper SQL worker bundling with absurd-sql
- Update Dockerfile with build context documentation
- Fix Nginx configuration for non-root user permissions
- Remove conflicting backend proxy configuration
- Add SQL worker polyfills to vite.config.common.mts

Resolves Docker build failures and ensures proper SQL database functionality
in containerized environment.

src/libs/crypto/vc/index.ts

@@ -11,7 +11,17 @@ import * as didJwt from "did-jwt";
 import { JWTVerified } from "did-jwt";
 import { Resolver } from "did-resolver";
 import { IIdentifier } from "@veramo/core";
-import * as u8a from "uint8arrays";
+// Simple polyfill for uint8arrays toString function
+const u8a = {
+  toString: (bytes: Uint8Array, encoding: string): string => {
+    if (encoding === "base16") {
+      return Array.from(bytes)
+        .map(b => b.toString(16).padStart(2, '0'))
+        .join('');
+    }
+    throw new Error(`Unsupported encoding: ${encoding}`);
+  }
+};
 
 import { didEthLocalResolver } from "./did-eth-local-resolver";
 import { PEER_DID_PREFIX, verifyPeerSignature } from "./didPeer";