Added a .gitattributes, thx @kusma

.gitattributes

@@ -0,0 +1,31 @@
+# Default behavior
+*   text=auto
+
+# Let's be more explicit for files which are text for sure
+*.php   text
+*.css   text
+*.js    text
+*.sql   text
+*.txt   text
+*.md    text
+*.csv   text
+*.html  text
+*.xml   text
+
+# Some binary file types for completeness
+*.png   binary
+*.gif   binary
+*.jpg   binary
+
+# Some files in particular that do not have the usual extensions
+/.htaccess      text
+/bin/*          text
+/COPYING        text
+/crontab        text
+/favicon.ico    binary
+
+# Temporary exceptions until we clean things up
+/files/ binary
+*.php3  text
+*.gz    binary
+*.log   text