chore(i18n): refactor and cleanup (#805)

* checkpoint

* finish

* docs

quartz/i18n/locales/en-US.ts

@@ -0,0 +1,65 @@
+import { Translation } from "./definition"
+
+export default {
+  propertyDefaults: {
+    title: "Untitled",
+    description: "No description provided",
+  },
+  components: {
+    backlinks: {
+      title: "Backlinks",
+      noBacklinksFound: "No backlinks found",
+    },
+    themeToggle: {
+      lightMode: "Light mode",
+      darkMode: "Dark mode",
+    },
+    explorer: {
+      title: "Explorer",
+    },
+    footer: {
+      createdWith: "Created with",
+    },
+    graph: {
+      title: "Graph View",
+    },
+    recentNotes: {
+      title: "Recent Notes",
+      seeRemainingMore: ({ remaining }) => `See ${remaining} more →`,
+    },
+    transcludes: {
+      transcludeOf: ({ targetSlug }) => `Transclude of ${targetSlug}`,
+      linkToOriginal: "Link to original",
+    },
+    search: {
+      title: "Search",
+      searchBarPlaceholder: "Search for something",
+    },
+    tableOfContents: {
+      title: "Table of Contents",
+    },
+  },
+  pages: {
+    rss: {
+      recentNotes: "Recent notes",
+      lastFewNotes: ({ count }) => `Last ${count} notes`,
+    },
+    error: {
+      title: "Not Found",
+      notFound: "Either this page is private or doesn't exist.",
+    },
+    folderContent: {
+      folder: "Folder",
+      itemsUnderFolder: ({ count }) =>
+        count === 1 ? "1 item under this folder" : `${count} items under this folder.`,
+    },
+    tagContent: {
+      tag: "Tag",
+      tagIndex: "Tag Index",
+      itemsUnderTag: ({ count }) =>
+        count === 1 ? "1 item with this tag" : `${count} items with this tag.`,
+      showingFirst: ({ count }) => `Showing first ${count} tags.`,
+      totalTags: ({ count }) => `Found ${count} total tags.`,
+    },
+  },
+} as const satisfies Translation