Made corrections.

.gitignore

@@ -0,0 +1,31 @@
+# Build output
+build/
+*.o
+*.a
+*.so
+
+# CMake generated
+CMakeCache.txt
+CMakeFiles/
+cmake_install.cmake
+Makefile
+install_manifest.txt
+CTestTestfile.cmake
+
+# Compiled GLSL (if any cached/binary shaders are generated)
+*.spv
+
+# GDAL/LIDAR processed output
+map/lidar_processed/
+
+# Editor and OS artifacts
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.DS_Store
+Thumbs.db
+
+# Local session artifacts
+todo