Merge branch 'leipert-ignore-snowplow' into 'master'

Ignore snowplow for eslint and prettier

See merge request gitlab-org/gitlab-ee!7293

.eslintignore

@@ -10,3 +10,5 @@
 /vendor/
 karma.config.js
 webpack.config.js
+
+ee/app/assets/javascripts/shared/snowplow/sp.js

.prettierignore

@@ -3,3 +3,5 @@
 /public/
 /vendor/
 /tmp/
+
+ee/app/assets/javascripts/shared/snowplow/sp.js