Change ads provider, and add consent system for advertising (#155)

* Add GAM integration & base for GPDR consent

* Moved consent to a specific page.

* Added functionality to the privacy page, and desactivate tracking if consent is not given.

* Added GeoEdge support, and fixed auth issues

* Fix actions issue

* Fix actions issue, attempt 2

* Added a module for analytics with consent support.

* Remove unnecessary function

* Add support for runtime config

components/ads/CookieConsent.vue

@@ -0,0 +1,77 @@
+<template>
+  <div>
+    <ReviewPopup ref="popup" />
+    <div
+      ref="container"
+      class="container"
+      :style="{ visibility: shown ? 'visible' : 'hidden' }"
+    >
+      <div class="banner">
+        <span>
+          Modrinth uses cookies for various purposes, including advertising.<br />
+          We encourage you to review your privacy settings by clicking on the
+          button below:
+        </span>
+        <div class="actions">
+          <button class="btn button" @click="hide">Accept all</button>
+          <button class="btn brand-button" @click="review">Review</button>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  name: 'CookieConsent',
+  data() {
+    return {
+      shown: false,
+    }
+  },
+  mounted() {
+    // Get informations in the store
+    this.$store.dispatch('consent/loadFromCookies', this.$cookies)
+    if (
+      !this.$store.state.consent.is_consent_given &&
+      this.$route.path !== '/dashboard/privacy'
+    ) {
+      this.shown = true
+    }
+  },
+  methods: {
+    hide() {
+      this.shown = false
+    },
+    review() {
+      this.hide()
+      this.$router.push('/dashboard/privacy')
+    },
+  },
+}
+</script>
+
+<style scoped lang="scss">
+.container {
+  z-index: 20;
+  position: fixed;
+  bottom: 0;
+  right: 0;
+  .banner {
+    @extend %card;
+    margin: 0 2rem 2rem 0;
+    padding: 1rem;
+    max-width: 18vw;
+    border-left: solid 5px var(--color-brand);
+    font-size: 1.05rem;
+  }
+  .actions {
+    display: flex;
+    flex-direction: row;
+    margin-top: 1rem;
+    .btn {
+      margin-right: 0.5rem;
+    }
+  }
+}
+</style>