UI updates for labwise branding

LabWise/DashboardView.swift

@@ -0,0 +1,22 @@
+import SwiftUI
+
+struct DashboardView: View {
+    var body: some View {
+        TabView {
+            Tab("Chemicals", systemImage: "flask.fill") {
+                ChemicalsListView()
+            }
+            Tab("Scan", systemImage: "camera.fill") {
+                ScanView()
+            }
+            Tab("Profile", systemImage: "person.fill") {
+                ProfileView()
+            }
+        }
+        .tint(Color("Brand/BrandPrimary"))
+    }
+}
+
+#Preview {
+    DashboardView()
+}