feat: add version info

Signed-off-by: allanice001 <allanice001@gmail.com>

ui/src/api/footer.ts

@@ -0,0 +1,15 @@
+export const metaApi = {
+  footer: async () => {
+    const res = await fetch("/api/v1/version", { cache: "no-store" })
+    if (!res.ok) throw new Error("failed to fetch version")
+    return (await res.json()) as {
+      built: string
+      builtBy: string
+      commit: string
+      go: string
+      goArch: string
+      goOS: string
+      version: string
+    }
+  },
+}