feat: Implement task template management with translation support and improved UI components

src/lib/i18n.js

@@ -15,6 +15,7 @@ const translations = {
       calendar: "Kalendarz",
       taskTemplates: "Szablony zadań",
       projectTasks: "Zadania projektów",
+      tasks: "Zadania",
       contracts: "Umowy",
       userManagement: "Zarządzanie użytkownikami",
       projectPanel: "Panel Projektów",
@@ -71,7 +72,8 @@ const translations = {
       clearSearch: "Wyczyść wyszukiwanie",
       filters:"Filtry",
       clearAllFilters: "Wyczyść wszystkie filtry",
-      sortBy: "Sortuj według"
+      sortBy: "Sortuj według",
+      days: "dni"
     },
 
     // Dashboard
@@ -534,6 +536,7 @@ const translations = {
       projects: "Projects",
       taskTemplates: "Task Templates", 
       projectTasks: "Project Tasks",
+      tasks: "Tasks",
       contracts: "Contracts",
       userManagement: "User Management",
       projectPanel: "Project Panel",
@@ -589,7 +592,8 @@ const translations = {
       clearSearch: "Clear search",
       filters: "Filters",
       clearAllFilters: "Clear all filters",
-      sortBy: "Sort by"
+      sortBy: "Sort by",
+      days: "days"
     },
 
     dashboard: {