feat: Introduce initial application structure, SQL database tools, and license management.

.gitignore

@@ -0,0 +1,32 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+
+# Distribution / Build
+build/
+dist/
+# *.spec # Keep spec file for reproducible builds
+
+# IDE / Editors
+.vscode/
+.idea/
+.gemini/
+
+# Project Specific - Sensitive Data
+config.dat
+config.key
+license.dat
+
+# Large Binaries / Tools
+# sql_tools/  # Diizinkan untuk distribusi
+sql_tools_zip/
+
+# Backup Files
+*.sql
+*.zip
+*.rar
+*.bak
+
+# Logs
+*.log