Ensure CRLF stays out of the repo

Looks like I already failed that project a little :)

(cherry picked from commit 066771b2d15748edc72095b75c4626bf445266aa)

.gitattributes

@@ -1,2 +1,34 @@
-*.java   diff=java
-#*.java merge=import-driver #TODO not implemented, I'm just using a merge tool instead
+* text=auto
+# Force Batch files to CRLF
+*.bat text=crlf
+
+# Java sources
+*.java          text diff=java
+*.kt            text diff=java
+*.gradle        text diff=java
+*.gradle.kts    text diff=java
+
+# These files are text and should be normalized (Convert crlf => lf)
+*.css           text diff=css
+*.df            text
+*.htm           text diff=html
+*.html          text diff=html
+*.js            text
+*.jsp           text
+*.jspf          text
+*.jspx          text
+*.properties    text
+*.tld           text
+*.tag           text
+*.tagx          text
+*.xml           text
+
+# These files are binary and should be left untouched
+# (binary is a macro for -text -diff)
+*.class         binary
+*.dll           binary
+*.ear           binary
+*.jar           binary
+*.so            binary
+*.war           binary
+*.jks           binary