Refactor project tasks page and navigation components

- Updated the description in ProjectTasksPage to a placeholder.
- Commented out the display of assigned email in ProjectTasksList.
- Removed the dashboard link from the navigation items.
- Changed the main link in the navigation to point to projects instead of the dashboard.
- Commented out the LanguageSwitcher and user role display in the navigation.
- Translated "Project Location" to "Lokalizacja projektu" in ProjectMap.
- Commented out the instruction for using the layer control in ProjectMap.
- Removed the label "Coordinates:" from the coordinates display in ProjectMap.
- Updated project and contract subtitles in translations to placeholders.
- Added a new empty validation schema file.

src/components/ProjectTasksList.js

@@ -304,9 +304,9 @@ export default function ProjectTasksList() {
 				{task.assigned_to_name ? (
 					<div>
 						<div className="font-medium">{task.assigned_to_name}</div>
-						<div className="text-xs text-gray-500">
+						{/* <div className="text-xs text-gray-500">
 							{task.assigned_to_email}
-						</div>
+						</div> */}
 					</div>
 				) : (
 					<span className="text-gray-400 italic">{t("projects.unassigned")}</span>

src/components/ui/Navigation.js

@@ -21,7 +21,6 @@ const Navigation = () => {
 	};
 
 	const navItems = [
-		{ href: "/", label: t('navigation.dashboard') },
 		{ href: "/projects", label: t('navigation.projects') },
 		{ href: "/tasks/templates", label: t('navigation.taskTemplates') },
 		{ href: "/project-tasks", label: t('navigation.projectTasks') },
@@ -47,7 +46,7 @@ const Navigation = () => {
 			<div className="max-w-6xl mx-auto px-6">
 				<div className="flex items-center justify-between h-16">
 					<div className="flex items-center">
-						<Link href="/" className="text-xl font-bold text-gray-900">
+						<Link href="/projects" className="text-xl font-bold text-gray-900">
 							{t('navigation.projectPanel')}
 						</Link>
 					</div>
@@ -74,12 +73,12 @@ const Navigation = () => {
 								</div>
 								
 								<div className="flex items-center space-x-4 ml-8 pl-8 border-l border-gray-200">
-									<LanguageSwitcher />
+									{/* <LanguageSwitcher /> */}
 									
 									<div className="flex items-center space-x-2">
 										<div className="text-sm">
 											<div className="font-medium text-gray-900">{session.user.name}</div>
-											<div className="text-gray-500 capitalize">{t(`userRoles.${session.user.role}`) || session.user.role?.replace('_', ' ')}</div>
+											{/* <div className="text-gray-500 capitalize">{t(`userRoles.${session.user.role}`) || session.user.role?.replace('_', ' ')}</div> */}
 										</div>
 									</div>
 									

src/components/ui/ProjectMap.js

@@ -51,7 +51,7 @@ export default function ProjectMap({
 			<div className="space-y-2">
 				<div className="flex items-center justify-between">
 					<h3 className="text-sm font-medium text-gray-700">
-						Project Location
+						Lokalizacja projektu
 					</h3>
 					<div className="text-xs text-gray-500">No coordinates available</div>
 				</div>
@@ -85,7 +85,7 @@ export default function ProjectMap({
 			<div className="flex items-center justify-between">
 				<div className="flex items-center gap-2">
 					<h3 className="text-sm font-medium text-gray-700">
-						Project Location
+						Lokalizacja projektu
 					</h3>
 					<div
 						className="w-3 h-3 rounded-full border border-white shadow-sm"
@@ -95,7 +95,7 @@ export default function ProjectMap({
 				</div>
 				{showLayerControl && (
 					<div className="text-xs text-gray-500">
-						Use the layer control (📚) to switch map views
+						{/* Use the layer control (📚) to switch map views */}
 					</div>
 				)}
 			</div>
@@ -158,7 +158,7 @@ export default function ProjectMap({
 			</div>
 			<div className="flex items-center justify-between">
 				<p className="text-xs text-gray-500">
-					Coordinates: {coords.lat.toFixed(6)}, {coords.lng.toFixed(6)}
+					{coords.lat.toFixed(6)}, {coords.lng.toFixed(6)}
 				</p>
 				<div className="flex items-center gap-1 text-xs text-gray-500">
 					<div