build: include language in bloglist.json

Author: fmalcher

build/types.ts

@@ -48,6 +48,7 @@ export interface BlogEntryLight {
     twitter2?: string;
 
     published: Date | string;
+    language: string;
     header: {
       url: string;
       width: number;

build/utils.ts

@@ -33,6 +33,7 @@ export function makeLightBlogList(fullList: BlogEntry[]): BlogEntryLight[] {
           author: entry.meta.author,
           mail: entry.meta.mail,
           published: entry.meta.published,
+          language: entry.meta.language,
           header: entry.meta.header,
         },
       };