[QuickAccent]Add support for Esperanto (#32605)

* Add support for Esperanto for PowerAccent

* Add missing UI part

* Add `EPO` to the exception list

* Remove multiple blank lines

* Add Strings

---------

Co-authored-by: ccmywish <ccmywish@qq.com>

.github/actions/spell-check/expect.txt

@@ -421,6 +421,7 @@ ENTERSIZEMOVE
 ENU
 EOAC
 epu
+EPO
 ERASEBKGND
 EREOF
 EResize

src/modules/poweraccent/PowerAccent.Core/Languages.cs

@@ -20,6 +20,7 @@ namespace PowerAccent.Core
         DE,
         EL,
         EST,
+        EPO,
         FI,
         FR,
         HR,
@@ -62,6 +63,7 @@ namespace PowerAccent.Core
                 Language.DE => GetDefaultLetterKeyDE(letter), // German
                 Language.EL => GetDefaultLetterKeyEL(letter), // Greek
                 Language.EST => GetDefaultLetterKeyEST(letter), // Estonian
+                Language.EPO => GetDefaultLetterKeyEPO(letter), // Esperanto
                 Language.FI => GetDefaultLetterKeyFI(letter), // Finnish
                 Language.FR => GetDefaultLetterKeyFR(letter), // French
                 Language.HR => GetDefaultLetterKeyHR(letter), // Croatian
@@ -107,6 +109,7 @@ namespace PowerAccent.Core
                 .Union(GetDefaultLetterKeyDE(letter))
                 .Union(GetDefaultLetterKeyEL(letter))
                 .Union(GetDefaultLetterKeyEST(letter))
+                .Union(GetDefaultLetterKeyEPO(letter))
                 .Union(GetDefaultLetterKeyFI(letter))
                 .Union(GetDefaultLetterKeyFR(letter))
                 .Union(GetDefaultLetterKeyHR(letter))
@@ -244,6 +247,21 @@ namespace PowerAccent.Core
             };
         }
 
+        // Esperanto
+        private static string[] GetDefaultLetterKeyEPO(LetterKey letter)
+        {
+            return letter switch
+            {
+                LetterKey.VK_C => new[] { "ĉ" },
+                LetterKey.VK_G => new[] { "ĝ" },
+                LetterKey.VK_H => new[] { "ĥ" },
+                LetterKey.VK_J => new[] { "ĵ" },
+                LetterKey.VK_S => new[] { "ŝ" },
+                LetterKey.VK_U => new[] { "ǔ" },
+                _ => Array.Empty<string>(),
+            };
+        }
+
         // Finnish
         private static string[] GetDefaultLetterKeyFI(LetterKey letter)
         {

src/settings-ui/Settings.UI/SettingsXAML/Views/PowerAccentPage.xaml

@@ -63,6 +63,7 @@
                             <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Dutch" />
                             <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Greek" />
                             <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Estonian" />
+                            <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Esperanto" />
                             <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_Finnish" />
                             <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_French" />
                             <ComboBoxItem x:Uid="QuickAccent_SelectedLanguage_German" />

src/settings-ui/Settings.UI/Strings/en-us/Resources.resw

@@ -3436,6 +3436,9 @@ Activate by holding the key for the character you want to add an accent to, then
   <data name="QuickAccent_SelectedLanguage_Estonian.Content" xml:space="preserve">
     <value>Estonian</value>
   </data>
+  <data name="QuickAccent_SelectedLanguage_Esperanto.Content" xml:space="preserve">
+    <value>Esperanto</value>
+  </data>
   <data name="QuickAccent_SelectedLanguage_Lithuanian.Content" xml:space="preserve">
     <value>Lithuanian</value>
   </data>

src/settings-ui/Settings.UI/ViewModels/PowerAccentViewModel.cs

@@ -34,6 +34,7 @@ namespace Microsoft.PowerToys.Settings.UI.ViewModels
             "NL",
             "EL",
             "EST",
+            "EPO",
             "FI",
             "FR",
             "DE",