chore(CRLF) Normalize all files to LF

.gitattributes

@@ -0,0 +1,29 @@
+# Normalize line endings to LF on commit
+* text=auto eol=lf
+
+# Explicitly enforce LF for source files
+*.ts   text eol=lf
+*.tsx  text eol=lf
+*.js   text eol=lf
+*.jsx  text eol=lf
+*.json text eol=lf
+*.css  text eol=lf
+*.html text eol=lf
+*.md   text eol=lf
+*.yml  text eol=lf
+*.yaml text eol=lf
+*.py   text eol=lf
+*.sh   text eol=lf
+
+# Binary files — no line ending conversion
+*.png  binary
+*.jpg  binary
+*.jpeg binary
+*.gif  binary
+*.ico  binary
+*.woff binary
+*.woff2 binary
+*.ttf  binary
+*.eot  binary
+*.pdf  binary
+*.zip  binary