Ability to change theme of the code block

src/commands/config-cmd.ts

···
       if (config.frontmatter.uploadDateKey)
         printConfigLine("Upload Date Key", wrap(config.frontmatter.uploadDateKey, '"'), 2);
     }
+    if (config.codeblockTheme) {
+      printConfigLine(
+        "Code Block Theme",
+        config.codeblockTheme
+          .split("-")
+          .map((val) => val.charAt(0).toLocaleUpperCase() + val.slice(1))
+          .join(" ")
+      );
+    }
     if (config.prependDoc) {
       printConfigLine(
         "Prepend doc",

src/commands/sync-cmd.ts

···
       consola.error(error);
     }
 
+    const codeblockTheme = config.codeblockTheme ? config.codeblockTheme : undefined;
+
     for (const file of files) {
       const path = config.glob.base ? join(config.glob.base, file) : "./" + file;
       if (config.prependDoc && resolve(config.prependDoc.path) == resolve(path)) continue;
···
           });
         }
 
-        prependBlocks = generateBlocks(ast.children, uploadedImages);
+        prependBlocks = generateBlocks(ast.children, uploadedImages, codeblockTheme);
       }
 
       if (config.appendDoc) {
···
           });
         }
 
-        appendBlocks = generateBlocks(ast.children, uploadedImages);
+        appendBlocks = generateBlocks(ast.children, uploadedImages, codeblockTheme);
       }
 
       const md = (await readFile(config.glob.base ? join(config.glob.base, file) : file)).toString();
···
       const doc = generateDoc(
         miniDoc.did,
         publicationUri,
-        [...prependBlocks, ...generateBlocks(ast.children, uploadedImages), ...appendBlocks],
+        [...prependBlocks, ...generateBlocks(ast.children, uploadedImages, codeblockTheme), ...appendBlocks],
         title,
         description,
         new Date(uploadDate)

src/config.ts

···
 
 export interface Config {
   glob: { pattern: string; base?: string };
-  frontmatter?: { type: "yaml"; titleKey: string; descriptionKey?: string; uploadDateKey?: string };
+  frontmatter?: {
+    type: "yaml";
+    titleKey: string;
+    descriptionKey?: string;
+    uploadDateKey?: string;
+  };
   publicationUri?: ResourceUri;
   prependDoc?: { path: string; replacement?: Replacement };
   appendDoc?: { path: string; replacement?: Replacement };
+  /**
+   * All available themes can be found at {@link https://shiki.matsu.io/themes} under the ID column
+   */
+  codeblockTheme?: string;
 }
 
 export function defineConfig(config: Config) {

src/conversion.ts

···
 
 export function generateBlocks(
   children: RootContent[],
-  uploadedImages: Map<string, { blob: Blob; width: number; height: number }>
+  uploadedImages: Map<string, { blob: Blob; width: number; height: number }>,
+  codeblockTheme?: string
 ) {
+  codeblockTheme ??= "catppuccin-mocha";
   return children
     .flatMap((val): PubLeafletPagesLinearDocument.Block | PubLeafletPagesLinearDocument.Block[] | null => {
       if (val.type == "heading") {
···
             $type: "pub.leaflet.blocks.code",
             plaintext: val.value,
             language: val.lang == null ? undefined : val.lang,
-            syntaxHighlightingTheme: "catppuccin-mocha",
+            syntaxHighlightingTheme: codeblockTheme,
           },
         };
       } else if (val.type == "blockquote") {