Build: Add `/.github`, `/build` & `/external` to .gitignore

Also, make some `.gitignore` paths absolute.

Fixes gh-2075

diff --git a/.npmignore b/.npmignore
index fc25be14136c5285546797461a3762614bcb55c6..9e6b8c0c8f761f9568a9b95814f74d7b69a4669f 100644 (file)
--- a/.npmignore
+++ b/.npmignore
@@ -1,10 +1,14 @@
-demos
+/.github
+/build
+/demos
 /dist/cdn
-tests
+/external
+/tests
+/Gruntfile.js
+
+.csslintrc
 .editorconfig
 .eslintrc.json
 .eslintignore
-.mailmap
-Gruntfile.js
-.csslintrc
 .gitattributes
+.mailmap