Single ribbit namespace instead of window globals

Use esbuild --global-name=ribbit to expose a single namespace.

src/ts/ribbit-editor.ts

@@ -102,16 +102,12 @@ export class RibbitEditor extends Ribbit {
     }
 }
 
-// Attach public API to window for <script> tag usage.
-(window as any).HopDown = HopDown;
-(window as any).inlineTag = inlineTag;
-(window as any).defaultTags = defaultTags;
-(window as any).defaultBlockTags = defaultBlockTags;
-(window as any).defaultInlineTags = defaultInlineTags;
-(window as any).defaultTheme = defaultTheme;
-(window as any).Ribbit = Ribbit;
-(window as any).RibbitEditor = RibbitEditor;
-(window as any).RibbitPlugin = RibbitPlugin;
-(window as any).camelCase = camelCase;
-(window as any).decodeHtmlEntities = decodeHtmlEntities;
-(window as any).encodeHtmlEntities = encodeHtmlEntities;
+// Public API — accessed as ribbit.Editor, ribbit.HopDown, etc.
+export { RibbitEditor as Editor };
+export { Ribbit as Viewer };
+export { RibbitPlugin as Plugin };
+export { HopDown };
+export { inlineTag };
+export { defaultTags, defaultBlockTags, defaultInlineTags };
+export { defaultTheme };
+export { camelCase, decodeHtmlEntities, encodeHtmlEntities };