chore: add .pubignore and fix pubspec_publish_ready for pub.dev

Author: vietnguyentuan2019

.pubignore

@@ -0,0 +1,10 @@
+# Exclude benchmark runner (standalone Flutter project with unresolvable imports)
+benchmark/
+
+# Exclude CI/CD and scripts
+.github/
+scripts/
+
+# Exclude internal dev files
+pubspec.yaml.backup
+pubspec_publish_ready.yaml

pubspec_publish_ready.yaml

@@ -1,5 +1,5 @@
 name: hyper_render
-description: "The Universal Content Engine for Flutter - A high-performance rendering engine for HTML, Markdown, and Quill Delta with perfect text selection, advanced CSS support, and CJK typography."
+description: "Flutter rendering engine for HTML, Markdown, and Quill Delta. Single RenderObject — no widget tree. Supports CSS Float, Flexbox, Grid, Ruby/Furigana, and text selection."
 version: 1.0.0
 homepage: https://github.com/brewkits/hyper_render
 repository: https://github.com/brewkits/hyper_render
@@ -54,3 +54,11 @@ dev_dependencies:
   build_runner: ^2.4.8
 
 flutter:
+  assets:
+    - assets/float_demo.gif
+    - assets/ruby_demo.gif
+    - assets/selection_demo.gif
+    - assets/table_demo.gif
+    - assets/comparison_demo.gif
+    - assets/performance_demo.gif
+    - assets/layout_demo.gif