Remove .env from git and add duckity.dev to testing domains

.dockerignore

@@ -31,6 +31,7 @@ yarn-error.log*
 .pnpm-debug.log*
 
 # env files (can opt-in for committing if needed)
+.env
 .env*
 
 # vercel

.env

@@ -1 +0,0 @@
-NEXT_PUBLIC_DASHBOARD_BASE_URL=https://duckity.com/dash

.gitignore

@@ -21,6 +21,7 @@ yarn-debug.log*
 yarn-error.log*
 
 # others
+.env
 .env*.local
 .vercel
 next-env.d.ts

next.config.mjs

@@ -7,7 +7,7 @@ const config = {
   serverExternalPackages: ["@takumi-rs/core", "typescript", "twoslash"],
   output: "export",
   reactStrictMode: true,
-  allowedDevOrigins: ["duckity.com"],
+  allowedDevOrigins: ["duckity.com", "duckity.dev"],
   basePath: "/docs",
   trailingSlash: true,
   images: {