feat(search): add clear all button

StepMap/ContentView.swift

@@ -19,6 +19,9 @@ struct ContentView: View {
 
     // TODO: create a map
     // Add navigation to the map
+    // after you click the navigation button, show the start and end place on the map with a tag or whatever it's called
+    // add "cancel" button that will hide the route
+    // add ability to hold on the map to place a mark (end goal)
     // Display the calculated distance and how long will it take by walking
     // Get walkingStepLength from HealthKit
     // Show how many steps does the route take

StepMap/SearchView.swift

@@ -21,12 +21,26 @@ struct SearchView: View {
                 TextField("Search for any location", text: $query)
                     .autocorrectionDisabled()
                     .onChange(of: self.query) {
-                        search(for: self.query)
+                        if query.count > 0 {
+                            search(for: self.query)
+                        } else {
+                            self.locations = []
+                        }
                     }
                     .onAppear {
                         // TODO: delete this, it's for debug only
                         search(for: self.query)
                     }
+                    .overlay {
+                        HStack{
+                            Spacer()
+                            Image(systemName: "multiply.circle.fill")
+                                .foregroundStyle(.gray)
+                                .onTapGesture {
+                                    query = ""
+                                }
+                        }
+                    }
             }
             .modifier(TextFieldGrayBackgroudColor())
             Spacer()