feat: add safe Tornado K3D playout adapter

.gitignore

@@ -26,11 +26,23 @@ Config/appsettings.local.json
 Config/*.secrets.json
 Config/database.local.json
 **/database.local.json
+Config/playout.local.json
+**/playout.local.json
 *.local.ini
 .env
 .env.*
 !.env.example
 
+# Tornado/K3D vendor artifacts (generated/installed locally only)
+artifacts/K3DInterop/
+**/Interop.K3DAsyncEngineLib.dll
+**/K3DAsyncEngine.dll
+**/K3DAsyncEngine.tlb
+*.t2s
+*.k3s
+K3D*.lic
+Tornado*.lic
+
 # Web tooling (if introduced later)
 node_modules/
 dist/