feat: add emoji-regex and remove-accents dependencies; enhance chat and setup pages

- Added `emoji-regex` and `remove-accents` packages to improve text processing capabilities.
- Implemented automatic Ollama startup in the chat page for better user experience.
- Enhanced setup page to include GPU selection based on hardware specifications.
- Updated chat input to support real-time validation and improved user feedback.
- Refactored message handling in chat to incorporate new processing features.

public/installers/.gitkeep

@@ -0,0 +1,9 @@
+# Instaladores de fallback do Ollama
+# 
+# Adicione os seguintes arquivos aqui:
+# - OllamaSetup.exe (Windows)
+# - Ollama-darwin.zip (macOS)
+# - install.sh (Linux)
+#
+# Estes arquivos serão usados como fallback caso os links oficiais não estejam disponíveis.
+