Initial commit: Predictalytics solution

Clean Architecture .NET 8 solution (Domain/Application/Infrastructure/Api/Worker/WinFormsHost)
for analyzing Polymarket traders for copytrading/strategy-replication candidates.

Includes EF Core InitialBaseline migration and DB secrets removed from source/config
in preparation for version control.

.gitignore

@@ -0,0 +1,26 @@
+# Build output
+bin/
+obj/
+
+# Visual Studio
+.vs/
+*.user
+*.suo
+
+# Runtime-generated local settings (contains real DB credentials, never commit)
+settings.json
+
+# Logs
+logs/
+*.log
+
+# Rider / VS Code
+.idea/
+.vscode/
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Claude Code local settings (may contain tokens/secrets used during this session)
+.claude/settings.local.json