Added tabs and a grocery list

Nextcloud Cookbook iOS Client/Views/Tabs/SearchTabView.swift

@@ -0,0 +1,58 @@
+//
+//  SearchTabView.swift
+//  Nextcloud Cookbook iOS Client
+//
+//  Created by Vincent Meilinger on 23.01.24.
+//
+
+import Foundation
+import SwiftUI
+
+
+struct SearchTabView: View {
+    @EnvironmentObject var viewModel: MainViewModel
+    
+    var body: some View {
+        RecipeSearchView(viewModel: viewModel)
+    }
+}
+
+struct RecipeSearchView: View {
+    @ObservedObject var viewModel: MainViewModel
+    @State var searchText: String = ""
+    @State var allRecipes: [Recipe] = []
+    
+    var body: some View {
+        NavigationStack {
+            VStack {
+                ScrollView(showsIndicators: false) {
+                    LazyVStack {
+                        ForEach(recipesFiltered(), id: \.recipe_id) { recipe in
+                            NavigationLink(value: recipe) {
+                                RecipeCardView(viewModel: viewModel, recipe: recipe)
+                                    .shadow(radius: 2)
+                            }
+                            .buttonStyle(.plain)
+                        }
+                    }
+                }
+                .navigationDestination(for: Recipe.self) { recipe in
+                    RecipeDetailView(viewModel: viewModel, recipe: recipe)
+                }
+                .searchable(text: $searchText, prompt: "Search recipes/keywords")
+            }
+            .navigationTitle("Search recipe")
+        }
+        .task {
+            allRecipes = await viewModel.getRecipes()
+        }
+    }
+    
+    func recipesFiltered() -> [Recipe] {
+        guard searchText != "" else { return allRecipes }
+        return allRecipes.filter { recipe in
+            recipe.name.lowercased().contains(searchText.lowercased()) || // check name for occurence of search term
+            (recipe.keywords != nil && recipe.keywords!.lowercased().contains(searchText.lowercased())) // check keywords for search term
+        }
+    }
+}