Update krankerl config

Signed-off-by: Julius Härtl <jus@bitgrid.net>

.nextcloudignore

@@ -0,0 +1,31 @@
+build/
+.git
+js/node_modules
+js/tests
+js/legacy
+js/controller
+js/directive
+js/filters
+js/service
+js/bower.json
+js/.bowerrc
+js/.jshintrc
+js/Gruntfile.js
+js/package.json
+js/package-lock.json
+docs/
+tests
+.codecov.yml
+composer.json
+composer.lock
+_config.yml
+.drone.yml
+.travis.yml
+.eslintignore
+.eslintrc.yml
+.gitignore
+issue_template.md
+krankerl.toml
+Makefile
+mkdocs.yml
+run-eslint.sh