i18n: add translation support for AppStream metadata

dist/appstream/po/net.blumia.pineapple-pictures.metainfo.pot

@@ -0,0 +1,46 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"POT-Creation-Date: 2023-08-22 18:49中国标准时间\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#. (itstool) path: component/name
+#: net.blumia.pineapple-pictures.metainfo.xml:7
+msgid "Pineapple Pictures"
+msgstr ""
+
+#. (itstool) path: component/summary
+#: net.blumia.pineapple-pictures.metainfo.xml:9
+msgid "Image Viewer"
+msgstr ""
+
+#. (itstool) path: description/p
+#: net.blumia.pineapple-pictures.metainfo.xml:12
+msgid "Pineapple Pictures is a lightweight and easy-to-use image viewer that comes with a handy navigation thumbnail when zoom-in, and doesn't contain any image management support."
+msgstr ""
+
+#. (itstool) path: screenshot/caption
+#: net.blumia.pineapple-pictures.metainfo.xml:17
+msgid "Main window when an image file is loaded"
+msgstr ""
+
+#. (itstool) path: screenshot/caption
+#: net.blumia.pineapple-pictures.metainfo.xml:22
+msgid "Zooming in a raster image"
+msgstr ""
+
+#. (itstool) path: screenshot/caption
+#: net.blumia.pineapple-pictures.metainfo.xml:27
+msgid "Zooming in a vector image"
+msgstr ""
+
+#. (itstool) path: component/developer_name
+#: net.blumia.pineapple-pictures.metainfo.xml:34
+msgid "Gary (BLumia) Wang et al."
+msgstr ""
+