feat: Add button to manage categories on main bar

app/src/main/java/com/p_vacho/neat_calendar/fragments/MainBarFragment.kt

@@ -9,6 +9,7 @@ import android.widget.ImageButton
 import androidx.fragment.app.Fragment
 import com.google.android.material.textview.MaterialTextView
 import com.p_vacho.neat_calendar.R
+import com.p_vacho.neat_calendar.activities.CategoriesActivity
 import com.p_vacho.neat_calendar.activities.NotificationsActivity
 import com.p_vacho.neat_calendar.activities.SettingsActivity
 
@@ -29,6 +30,11 @@ class MainBarFragment : Fragment() {
             startActivity(Intent(requireContext(), SettingsActivity::class.java))
         }
 
+        val btnCategories = view.findViewById<ImageButton>(R.id.btnCategories)
+        btnCategories.setOnClickListener {
+            startActivity(Intent(requireContext(), CategoriesActivity::class.java))
+        }
+
         val btnNotifications = view.findViewById<ImageButton>(R.id.btnNotifications)
         btnNotifications.setOnClickListener {
             startActivity(Intent(requireContext(), NotificationsActivity::class.java))

app/src/main/res/layout/fragment_main_bar.xml

@@ -42,6 +42,17 @@
             android:padding="8dp"
             app:tint="?attr/colorOnPrimary" />
 
+        <!-- Categories Icon -->
+        <ImageButton
+            android:id="@+id/btnCategories"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:contentDescription="@string/open_categories"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:src="@drawable/ic_tag"
+            android:padding="8dp"
+            app:tint="?attr/colorOnPrimary" />
+
         <!-- Settings Icon -->
         <ImageButton
             android:id="@+id/btnSettings"

app/src/main/res/values/strings.xml

@@ -86,4 +86,5 @@
     <string name="delete_category">Delete category</string>
     <string name="event_details">Event Details</string>
     <string name="category_name">Category Name</string>
+    <string name="open_categories">Open category management</string>
 </resources>