fix: always use unix-style LF even in Windows

.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+
+[*.{bat,cmd,ps1}]
+end_of_line = crlf

.gitattributes

@@ -0,0 +1,5 @@
+* text=auto eol=lf
+
+*.bat text eol=crlf
+*.cmd text eol=crlf
+*.ps1 text eol=crlf