Several minor improvements to typing and misc.

- Improved schema validation
- Move username parsing and other validators to schema types
- Fix astro check command
- Add JSON/YAML schema validation for data collections
- Update licenses
- Remove deployment script in favor of rsync
- Prevent unsanitized input in export-story script
- Change "eng" language to "en", per BCP47
- Clean up i18n keys and add aria attributes
- Improve MastodonComments behavior on no-JS browsers

.vscode/settings.json

@@ -2,6 +2,25 @@
   "files.associations": {
     "*.css": "tailwindcss"
   },
+  "json.schemas": [
+    {
+      "fileMatch": ["/src/content/series/**"],
+      "url": "./.astro/collections/series.schema.json"
+    },
+    {
+      "fileMatch": ["/src/content/tag-categories/**"],
+      "url": "./.astro/collections/tag-categories.schema.json"
+    },
+    {
+      "fileMatch": ["/src/content/users/**"],
+      "url": "./.astro/collections/users.schema.json"
+    }
+  ],
+  "yaml.schemas": {
+    "./.astro/collections/series.schema.json": "/src/content/series/**",
+    "./.astro/collections/tag-categories.schema.json": "/src/content/tag-categories/**",
+    "./.astro/collections/users.schema.json": "/src/content/users/**"
+  },
   "[astro]": {
     "editor.defaultFormatter": "esbenp.prettier-vscode"
   },