docs: Convert everything to Unix-style endlines.

Fixes libsdl-org#8640.

Author: icculus

README.md

@@ -1,18 +1,18 @@
-
-# Simple DirectMedia Layer (SDL) Version 3.0
-
-https://www.libsdl.org/
-
-Simple DirectMedia Layer is a cross-platform development library designed
-to provide low level access to audio, keyboard, mouse, joystick, and graphics
-hardware via OpenGL and Direct3D. It is used by video playback software,
-emulators, and popular games including Valve's award winning catalog
-and many Humble Bundle games.
-
-More extensive documentation is available in the docs directory, starting
-with [README.md](docs/README.md). If you are migrating to SDL 3.0 from SDL 2.0,
-the changes are extensively documented in [README-migration.md](docs/README-migration.md).
-
-Enjoy!
-
-Sam Lantinga ([email protected])
+
+# Simple DirectMedia Layer (SDL) Version 3.0
+
+https://www.libsdl.org/
+
+Simple DirectMedia Layer is a cross-platform development library designed
+to provide low level access to audio, keyboard, mouse, joystick, and graphics
+hardware via OpenGL and Direct3D. It is used by video playback software,
+emulators, and popular games including Valve's award winning catalog
+and many Humble Bundle games.
+
+More extensive documentation is available in the docs directory, starting
+with [README.md](docs/README.md). If you are migrating to SDL 3.0 from SDL 2.0,
+the changes are extensively documented in [README-migration.md](docs/README-migration.md).
+
+Enjoy!
+
+Sam Lantinga ([email protected])