Update .gitignore: Add wssshd2 build artifacts and test executables

- Add patterns for wssshd2 build artifacts (*.o, *.a, *.so, wssshd, Makefile, etc.)
- Consolidate wssshtools executable patterns to wss*/test_*
- Ensure all build artifacts are properly ignored to prevent accidental commits

.gitignore

@@ -7,16 +7,25 @@ dist/
 wssshtools/*.o
 wssshtools/*.a
 wssshtools/*.so
-wssshtools/wssshc
-wssshtools/wsssh
-wssshtools/wsscp
-wssshtools/wssshlib
-wssshtools/websocket
-wssshtools/wssh_ssl
-wssshtools/tunnel
+wssshtools/wss*
+wssshtools/test_*
 wssshtools/Makefile
 wssshtools/configure.sh.stamp
 wssshtools/man/*.1.gz
+wssshtools/libwsssht/*.o
+wssshtools/libwsssht/*.a
+wssshtools/libwsssht/*.so
+wssshtools/libwsssht/wssshlib.o
+
+# wssshd2 build artifacts
+wssshd2/*.o
+wssshd2/*.a
+wssshd2/*.so
+wssshd2/wssshd
+wssshd2/Makefile
+wssshd2/configure.sh.stamp
+wssshd2/*_data.h
+wssshd2/html_pages/
 
 # Logo and icon assets (generated from image.jpg)
 logos/