Configured the site a little

models/theme.go

@@ -1,9 +1,15 @@
 package models
 
+import "io/fs"
+
 type ThemeMeta struct {
-	ID   string `json:"id"`
-	Name string `json:"name"`
-	URL  string `json:"repo"`
+	ID   string
+	Name string
+
+	// Source repo
+	URL       string
+	OverlayFS fs.FS
+	Overlays  map[string]string
 
 	// Indicates that this theme prefers posts have titles.
 	PreferTitle bool
@@ -12,5 +18,5 @@ type ThemeMeta struct {
 	AddTitleToPages bool
 
 	// Page bundle for "blog" posts
-	BlogPostBundle string `json:"post_dir"`
+	BlogPostBundle string
 }