[fmt] update .gitattributes to take care of CRLF before commit (PR #5446)

Author: jeremyleung521

.git-blame-ignore-revs

@@ -41,3 +41,5 @@ c08cb797fd1a2cb45bc0b9e4522cabb15d1f36bd
 b8fe34b73c9df9330c1608229b2f8cddc6e275b4
 #4885
 263bbe65047e535fbad981852ad9c7327826f93d
+#5446
+3160b8efe00c11ab4ebe4ad776ebdf96f090223f

.gitattributes

@@ -0,0 +1,6 @@
+# Ensure all line endings for text files are LF (UNIX, Python default) and not CRLF (Windows/DOS default)
+* text=auto eol=lf
+
+# ignore all data files from testsuite/MDAnalysisTests/data/
+testsuite/MDAnalysisTests/data/* -text
+testsuite/MDAnalysisTests/data/**/* -text

package/CHANGELOG

@@ -23,6 +23,8 @@ The rules for this file:
  * 2.11.0
 
 Fixes
+ * Added `.gitattributes` to enforce LF (\n) as line endings and renormalized
+   existing files to conform (Issue #5315, PR #5446)
  * `AtomGroup.rotate()` and the `rotateby` trajectory transformation now
    also rotate velocities and forces besides positions. This also affects
    `MDAnalysis.analysis.align.alignto()` and `AlignTraj`, since they