feat(backfill): implement backfill tool for generating missing embeddings

internal/app/static_assets.go

@@ -0,0 +1,24 @@
+package app
+
+import (
+	"embed"
+	"fmt"
+	"io/fs"
+)
+
+var (
+	//go:embed static/*
+	staticFiles embed.FS
+
+	faviconICO = mustReadStaticFile("favicon.ico")
+	homeImage  = mustReadStaticFile("avelonmemorycrystal.jpg")
+)
+
+func mustReadStaticFile(name string) []byte {
+	data, err := fs.ReadFile(staticFiles, "static/"+name)
+	if err != nil {
+		panic(fmt.Sprintf("failed to read embedded static file %q: %v", name, err))
+	}
+
+	return data
+}