Issue #2737773 by antongp, wturrell, pcambra, cilefen, Darvanen, cwells,...

Issue #2737773 by antongp, wturrell, pcambra, cilefen, Darvanen, cwells, manningpete, alexpott: Proper way to install Drupal, missing vendor folders, example.gitignore

example.gitignore

@@ -11,8 +11,11 @@
 # including Drupal core.
 # core
 
-# Core's dependencies are managed with Composer.
-vendor
+# Ignore dependencies that are managed with Composer.
+# Generally you should only ignore the root vendor directory. It's important
+# that core/assets/vendor and any other vendor directories within contrib or
+# custom module, theme, etc., are not ignored unless you purposely do so.
+/vendor/
 
 # Ignore configuration files that may contain sensitive information.
 sites/*/settings*.php