Add support for line notify providers (#1781)

* add line notify support

* add way to get line notify

* Fix duplicate key 'HTTP Basic Auth'

* Revert language files changes

* Revert language files changes

* Fix general message

Co-authored-by: Louis Lam <louislam@users.noreply.github.com>

src/components/notifications/LineNotify.vue

@@ -0,0 +1,9 @@
+<template>
+    <div class="mb-3">
+        <label for="line-notify-access-token" class="form-label">{{ $t("Access Token") }}</label>
+        <input id="line-notify-access-token" v-model="$parent.notification.lineNotifyAccessToken" type="text" class="form-control" :required="true">
+    </div>
+    <i18n-t tag="div" keypath="wayToGetLineNotifyToken" class="form-text" style="margin-top: 8px;">
+        <a href="https://notify-bot.line.me/" target="_blank">https://notify-bot.line.me/</a>
+    </i18n-t>
+</template>