Add .gitattributes, setting “text eol=lf” for all files

Change-Id: Ib288af565351452cc8b1fe3c2c0c4b425dd2322d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/mini_chromium/+/1954674
Reviewed-by: Mark Mentovai <mark@chromium.org>
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..c9c89d5
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,23 @@
+# Copyright 2019 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+*.c text eol=lf
+*.cc text eol=lf
+*.gn text eol=lf
+*.gni text eol=lf
+*.gyp text eol=lf
+*.gypi text eol=lf
+*.h text eol=lf
+*.m text eol=lf
+*.md text eol=lf
+*.mm text eol=lf
+*.plist text eol=lf
+*.py text eol=lf
+.clang-format text eol=lf
+.gitattributes text eol=lf
+.gitignore text eol=lf
+/AUTHORS text eol=lf
+/LICENSE text eol=lf
+/codereview.settings text eol=lf
+README.chromium text eol=lf
diff --git a/.gitignore b/.gitignore
index 643df07..7bd9b29 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,7 @@
+# Copyright 2012 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
 *.Makefile
 *.ninja
 *.pyc