merge: Fix file description labels to use "alt text" terminology (!911)

View MR for information: https://activitypub.software/TransFem-org/Sharkey/-/merge_requests/911

Approved-by: dakkar <dakkar@thenautilus.net>
Approved-by: Hazelnoot <acomputerdog@gmail.com>

packages/frontend/src/pages/drive.file.info.vue

@@ -46,7 +46,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</button>
 			<button class="_button" :class="$style.kvEditBtn" @click="describe()">
 				<MkKeyValue :class="$style.multiline">
-					<template #key>{{ i18n.ts.description }}</template>
+					<template #key>{{ i18n.ts.caption }}</template>
 					<template #value>{{ file.comment ? file.comment : `(${i18n.ts.none})` }}<i class="ti ti-pencil" :class="$style.kvEditIcon"></i></template>
 				</MkKeyValue>
 			</button>

sharkey-locales/en-US.yml

@@ -51,6 +51,10 @@ mediaSilencedByBase: "This host's media is silenced implicitly because a base do
 driveSearchbarPlaceholder: "Search drive"
 fileNotSelected: "No file selected"
 background: "Background"
+inputNewDescription: "Enter new alt text"
+describeFile: "Add alt text"
+enterFileDescription: "Enter alt text"
+caption: "Alt text"
 antennaUsersDescription: "List one username per line. Use \"*@instance.com\" to specify all users of an instance"
 aboutMisskey: "About Sharkey"
 expandAllCws: "Show content for all replies"