I’ve made the update by using git pull && npm install, but I get this:

git pull
Updating 8010e62…1a2b4f8
error: Your local changes to the following files would be overwritten by merge:
.eslintignore
.github/PULL_REQUEST_TEMPLATE.md
.gitignore
.travis.yml
CHANGELOG.md
Gruntfile.js
LICENSE.md
README.md
css/main.css
index.html
installers/raspberry.sh
js/app.js
js/defaults.js
js/electron.js
js/loader.js
js/main.js
js/module.js
js/server.js
modules/README.md
modules/default/alert/README.md
modules/default/calendar/README.md
modules/default/calendar/calendar.js
modules/default/calendar/calendarfetcher.js
modules/default/calendar/debug.js
modules/default/calendar/node_helper.js
modules/default/calendar/vendor/ical.js/ical.js
modules/default/calendar/vendor/ical.js/node-ical.js
modules/default/clock/README.md
modules/default/clock/clock.js
modules/default/compliments/README.md
modules/default/compliments/compliments.js
modules/default/currentweather/README.md
modules/default/currentweather/currentweather.js
modules/default/helloworld/README.md
modules/default/newsfeed/README.md
modules/default/newsfeed/fetcher.js
modules/default/newsfeed/newsfeed.js
modules/default/newsfeed/node_helper.js
modules/default/updatenotification/README.md
modules/default/weatherforecast/README.md
modules/default/weatherforecast/weatherforecast.css
modules/default/weatherforecast/weatherforecast.js
modules/node_modules/node_helper/index.js
package.json
splashscreen/MagicMirror.script
splashscreen/splash.png
translations/da.json
translations/de.json
translations/en.json
translations/es.json
translations/fi.json
translations/fr.json
translations/fy.json
translations/gr.json
translations/it.json
translations/ja.json
translations/nb.json
translations/nl.json
translations/nn.json
translations/pl.json
translations/pt.json
translations/pt_br.json
translations/sv.json
translations/tr.json
translations/translations.js
translations/zh_cn.json
translations/zh_tw.json
vendor/font-awesome-4.5.0/HELP-US-OUT.txt
vendor/font-awesome-4.5.0/css/font-awesome.css
vendor/font-awesome-4.5.0/css/font-awesome.min.css
vendor/font-awesome-4.5.0/fonts/FontAwesome.otf
vendor/font-awesome-4.5.0/fonts/fontawesome-webfont.eot
vendor/font-awesome-4.5.0/fonts/fontawesome-webfont.svg
vendor/font-awesome-4.5.0/fonts/fontawesome-webfont.ttf
vendor/font-awesome-4.5.0/fonts/fontawesome-webfont.woff
vendor/font-awesome-4.5.0/fonts/fontawesome-webfont.woff2
vendor/font-awesome-4.5.0/less/animated.less
vendor/font-awesome-4.5.0/less/bordered-pulled.less
vendor/font-awesome-4.5.0/less/core.less
vendor/font-awesome-4.5.0/less/fixed-width.less
vendor/font-awesome-4.5.0/less/font-awesome.less
vendor/font-awesome-4.5.0/less/icons.less
vendor/font-awesome-4.5.0/less/larger.less
vendor/font-awesome-4.5.0/less/list.less
vendor/font-awesome-4.5.0/less/mixins.less
vendor/font-awesome-4.5.0/less/path.less
vendor/font-awesome-4.5.0/less/rotated-flipped.less
vendor/font-awesome-4.5.0/less/stacked.less
vendor/font-awesome-4.5.0/less/variables.less
vendor/font-awesome-4.5.0/scss/_animated.scss
vendor/font-awesome-4.5.0/scss/_bordered-pulled.scss
vendor/font-awesome-4.5.0/scss/_core.scss
vendor/font-awesome-4.5.0/scss/_fixed-width.scss
vendor/font-awesome-4.5.0/scss/_icons.scss
vendor/font-awesome-4.5.0/scss/_larger.scss
vendor/font-awesome-4.5.0/scss/_list.scss
vendor/font-awesome-4.5.0/scss/_mixins.scss
vendor/font-awesome-4.5.0/scss/_path.scss
vendor/font-awesome-4.5.0/scss/_rotated-flipped.scss
vendor/font-awesome-4.5.0/scss/_stacked.scss
vendor/font-awesome-4.5.0/scss/_variables.scss
vendor/font-awesome-4.5.0/scss/font-awesome.scss
vendor/moment/moment-timezone.js
vendor/moment/moment-with-locales.js
vendor/moment/moment-with-locales.min.js
vendor/vendor.js
vendor/weather-icons/css/weather-icons-wind.css
vendor/weather-icons/css/weather-icons-wind.min.css
vendor/weather-icons/css/weather-icons.css
vendor/weather-icons/css/weather-icons.min.css
Please, commit your changes or stash them before you can merge.
Aborting

Any idea why?

Kind regards