chore(config): add reveal.js and React deps, update .gitignore, remove navigation tabs

blume.config.ts

@@ -7,7 +7,4 @@ export default defineConfig({
     site: "https://prdlk.github.io",
     base: "/leetcode",
   },
-  navigation: {
-    tabs: [{ label: "Solutions", path: "/solutions" }],
-  },
 });