refactor(repo): consolidate openflare-server to root and move subprojects to internal/apps

- Merge all files inside openflare-server to the repository root directory.
- Relocate agent, relay, and flared subprojects from internal/ to internal/apps/.
- Combine docker-compose files and update build context paths to root.
- Update GitHub workflows and Dockerfiles to refer to new directories and package names.
- Rewrite Go package imports across all files.
- Resolve database renew test race condition and clean up docs.

frontend/app/(auth)/login/page.tsx

@@ -0,0 +1,10 @@
+import {Suspense} from "react"
+import {LoginPage} from "@/components/auth/login-page"
+
+export default function Page() {
+  return (
+    <Suspense>
+      <LoginPage />
+    </Suspense>
+  )
+}

frontend/app/(auth)/register/page.tsx

@@ -0,0 +1,10 @@
+import {Suspense} from "react"
+import {RegisterPage} from "@/components/auth/register-page"
+
+export default function Page() {
+  return (
+    <Suspense>
+      <RegisterPage />
+    </Suspense>
+  )
+}