Enhance school creation and staffing management with native language support

- Updated protocol documentation to include `nativeLanguages` in `nameSets` and added `nativeLanguage` to school creation options.
- Enhanced the UI for school creation to allow selection of native languages, improving user experience.
- Revised API interfaces to accommodate new native language features, ensuring proper data handling.
- Improved localization strings to support new native language functionalities in both English and Russian.
- Updated tests to validate the new native language features and ensure robust functionality in staffing scenarios.

src/HSchool.Simulation/LessonLearningSystem.cs

@@ -65,13 +65,16 @@ internal static class LessonLearningSystem
                 var hunger = needs.Values.GetValueOrDefault("Hunger", 1f);
                 foreach (var share in subject.Skills)
                 {
-                    if (!catalog.Skills.TryGetValue(share.Skill, out var skill)
-                        || skill.Abstract
-                        || !skills.Values.TryGetValue(share.Skill, out var current))
+                    if (!catalog.Skills.TryGetValue(share.Skill, out var skill) || skill.Abstract)
                     {
                         continue;
                     }
 
+                    if (!skills.Values.TryGetValue(share.Skill, out var current))
+                    {
+                        current = skill.Range.Min;
+                    }
+
                     skills.Values[share.Skill] = LessonLearning.Gain(
                         current,
                         skill,