feat: add theme and fonts

packages/cli/src/extensions/litenote.ts

···
     record.images = images
   }
 
+  if (post.frontmatter.theme) {
+    record.theme = post.frontmatter.theme
+  }
+
+  if (post.frontmatter.fontSize) {
+    record.fontSize = post.frontmatter.fontSize
+  }
+
+  console.log("front matter | ", title, post.frontmatter);
+  
+
+  if (post.frontmatter.fontFamily) {
+    record.fontFamily = post.frontmatter.fontFamily
+  }
+
   await agent.com.atproto.repo.putRecord({
     repo: agent.did!,
     collection: LEXICON,

packages/cli/src/lib/markdown.ts

···
 	const coverField = mapping?.coverImage || "ogImage";
 	frontmatter.ogImage = raw[coverField] || raw.ogImage;
 
+	// Theme, font family and font size
+	frontmatter.theme = raw.theme;
+	frontmatter.fontFamily = raw.fontFamily;
+	frontmatter.fontSize = raw.fontSize;
+
 	// Tags mapping
 	const tagsField = mapping?.tags || "tags";
 	frontmatter.tags = raw[tagsField] || raw.tags;

packages/cli/src/lib/types.ts

···
 
 export interface PostFrontmatter {
 	title: string;
+  theme?: string
+  fontFamily?: string
+  fontSize?: number
 	description?: string;
 	publishDate: string;
 	tags?: string[];