chore: normalize eol and cleanup

.gitattributes

@@ -0,0 +1,23 @@
+* text=auto
+
+*.js text eol=lf
+*.json text eol=lf
+*.wxml text eol=lf
+*.wxss text eol=lf
+*.wxs text eol=lf
+*.md text eol=lf
+*.sh text eol=lf
+*.yml text eol=lf
+*.yaml text eol=lf
+*.xml text eol=lf
+*.svg text eol=lf
+
+*.bat text eol=crlf
+*.cmd text eol=crlf
+
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.webp binary
+*.ico binary