Add .gitignore

add files produced during the build to a newly added .gitignore

closes https://github.com/official-stockfish/Stockfish/pull/3286

No functional change

diff --git a/.gitignore b/.gitignore
new file mode 100644 (file)
index 0000000..8981efc
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,12 @@
+# Files from build
+**/*.o
+**/*.s
+src/.depend
+
+# Built binary
+src/stockfish*
+src/-lstdc++.res
+
+# Neural network for the NNUE evaluation
+**/*.nnue
+