feat: settings popover expainer; set feature flags to false

src/components/SettingsPopover.astro

@@ -30,6 +30,7 @@ const { toggle } = Astro.props;
         )
     )
   }
+  <small>This is where feature flags will be set once made available.</small>
 </form>
 
 <style lang="scss">

src/utils/feature-flags.ts

@@ -10,5 +10,5 @@ export const featureLabels: Record<Features, string> = {
 
 export const featureFlags: Record<Features, boolean> = {
   [Features.SendToEmail]: false,
-  [Features.HideImages]: true,
+  [Features.HideImages]: false,
 };