Add beta and alpha badges

apps/frontend/src/pages/user/[id].vue

@@ -232,6 +232,8 @@
               </nuxt-link>
               <TenMClubBadge v-else-if="badge === '10m-club'" class="h-14 w-14" />
               <EarlyAdopterBadge v-else-if="badge === 'early-adopter'" class="h-14 w-14" />
+              <AlphaTesterBadge v-else-if="badge === 'alpha-tester'" class="h-14 w-14" />
+              <BetaTesterBadge v-else-if="badge === 'beta-tester'" class="h-14 w-14" />
             </div>
           </div>
         </div>
@@ -264,6 +266,8 @@ import ModBadge from "~/assets/images/badges/mod.svg?component";
 import PlusBadge from "~/assets/images/badges/plus.svg?component";
 import TenMClubBadge from "~/assets/images/badges/10m-club.svg?component";
 import EarlyAdopterBadge from "~/assets/images/badges/early-adopter.svg?component";
+import AlphaTesterBadge from "~/assets/images/badges/alpha-tester.svg?component";
+import BetaTesterBadge from "~/assets/images/badges/beta-tester.svg?component";
 
 import ReportIcon from "~/assets/images/utils/report.svg?component";
 import UpToDate from "~/assets/images/illustrations/up_to_date.svg?component";
@@ -455,6 +459,10 @@ const sumDownloads = computed(() => {
   return sum;
 });
 
+const joinDate = computed(() => new Date(user.value.created));
+const MODRINTH_BETA_END_DATE = new Date("2022-02-27T08:00:00.000Z");
+const MODRINTH_ALPHA_END_DATE = new Date("2020-11-30T08:00:00.000Z");
+
 const badges = computed(() => {
   const badges = [];
 
@@ -482,8 +490,10 @@ const badges = computed(() => {
     badges.push("early-adopter");
   }
 
-  if (isPermission(user.value.badges, 1 << 4)) {
+  if (isPermission(user.value.badges, 1 << 4) || joinDate.value < MODRINTH_ALPHA_END_DATE) {
     badges.push("alpha-tester");
+  } else if (isPermission(user.value.badges, 1 << 4) || joinDate.value < MODRINTH_BETA_END_DATE) {
+    badges.push("beta-tester");
   }
 
   if (isPermission(user.value.badges, 1 << 5)) {