refactor(editor): extract code block (#9397)

blocksuite/affine/block-code/src/code-block-config.ts

@@ -0,0 +1,15 @@
+import type { BundledLanguageInfo, ThemeInput } from 'shiki';
+
+export interface CodeBlockConfig {
+  theme?: {
+    dark?: ThemeInput;
+    light?: ThemeInput;
+  };
+  langs?: BundledLanguageInfo[];
+
+  /**
+   * Whether to show line numbers in the code block.
+   * @default true
+   */
+  showLineNumbers?: boolean;
+}