po: update the POT file

- Add new strings.
- Remove unused strings.

po/Imaginer.pot

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2023-06-01 17:41+0000\n"
+"POT-Creation-Date: 2023-10-07 17:03+0300\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"
@@ -17,10 +17,36 @@ msgstr ""
 "Content-Type: text/plain; charset=CHARSET\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: data/page.codeberg.Imaginer.Imaginer.desktop.in:3 data/ui/window.blp:5
+#. Translators: Do not translate the application name
+#: data/page.codeberg.Imaginer.Imaginer.desktop.in:4
 msgid "Imaginer"
 msgstr ""
 
+#: data/ui/help-overlay.blp:11
+msgctxt "shortcut window"
+msgid "General"
+msgstr ""
+
+#: data/ui/help-overlay.blp:14
+msgctxt "shortcut window"
+msgid "Imagine"
+msgstr ""
+
+#: data/ui/help-overlay.blp:19
+msgctxt "shortcut window"
+msgid "Show Shortcuts"
+msgstr ""
+
+#: data/ui/help-overlay.blp:24
+msgctxt "shortcut window"
+msgid "Preferences"
+msgstr ""
+
+#: data/ui/help-overlay.blp:29
+msgctxt "shortcut window"
+msgid "Quit"
+msgstr ""
+
 #: data/ui/preferences.blp:5 data/ui/window.blp:198 src/main.py:217
 msgid "Preferences"
 msgstr ""
@@ -83,7 +109,8 @@ msgstr ""
 msgid "New window"
 msgstr ""
 
-#: data/ui/window.blp:213
+#. Translators: Do not translate the application name
+#: data/ui/window.blp:214 src/main.py:220
 msgid "About Imaginer"
 msgstr ""
 
@@ -95,11 +122,11 @@ msgstr ""
 msgid "New Window"
 msgstr ""
 
-#: src/main.py:219
-msgid "About"
+#: src/main.py:263
+msgid "Special thanks to"
 msgstr ""
 
-#: src/main.py:370
+#: src/main.py:371
 msgid "No image found"
 msgstr ""