Update

.gitattributes

@@ -9,6 +9,28 @@ docs/* linguist-documentation
 # this for files that must keep LF endings, even on Windows.
 * text eol=lf
 
+# ------------------------------------------------------------------------------
+# All the files and directories that can be excluded from dist, 
+# we could have a more clean vendor/
+#
+# So when someone will install that package through with --prefer-dist option, 
+# all the files and directories listed in .gitattributes file will be excluded. 
+# This could have a big impact on big deployments and/or testing. 
+# ------------------------------------------------------------------------------
+
+# /.github            export-ignore
+# /tests              export-ignore
+# /build              export-ignore
+# /docs               export-ignore
+# /.cs.php            export-ignore
+# /.editorconfig      export-ignore
+# /.gitattributes     export-ignore
+# /.gitignore         export-ignore
+# /.scrutinizer.*     export-ignore
+# /phpcs.xml          export-ignore
+# /phpstan.neon       export-ignore
+# /phpunit.xml        export-ignore
+
 # Define binary file attributes.
 # - Do not treat them as text.
 # - Include binary diff in patches instead of "binary files differ."
@@ -17,9 +39,12 @@ docs/* linguist-documentation
 *.gif binary
 *.ico binary
 *.jpg binary
+*.jpeg binary
 *.png binary
-*.phar binary
 *.zip binary
+*.gif binary
+*.ico binary
+*.phar binary
 *.gz binary
 *.otf binary
 *.eot binary