Implement empty transport feature in DirectorInfo component

- Added functionality to allow directors to initiate empty transports without products, enhancing logistics management.
- Introduced a new transport form in the DirectorInfo component, enabling selection of vehicle types and target branches.
- Updated the i18n localization files to include new translations for the empty transport feature.
- Enhanced the BranchView to pass vehicle and branch data to the DirectorInfo component, ensuring proper functionality.
- This update aims to improve user experience and streamline transport operations within the application.

frontend/src/views/falukant/BranchView.vue

@@ -24,7 +24,13 @@
             <div v-if="selectedBranch" class="branch-tab-content">
                 <!-- Direktor -->
                 <div v-if="activeTab === 'director'" class="branch-tab-pane">
-                    <DirectorInfo :branchId="selectedBranch.id" ref="directorInfo" />
+                    <DirectorInfo 
+                        :branchId="selectedBranch.id" 
+                        :vehicles="vehicles"
+                        :branches="branches"
+                        ref="directorInfo"
+                        @transportCreated="handleTransportCreated"
+                    />
                 </div>
 
                 <!-- Inventar / Verkauf -->