compose: Replicate BlacklistFragment in compose

Introduce a new activity to host composables as View system behaves
quite bad when composable are used inside it.

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/main/res/drawable/ic_transparent.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ SPDX-FileCopyrightText: 2025 The Calyx Institute
+  ~ SPDX-License-Identifier: GPL-3.0-or-later
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960"
+    android:tint="?attr/colorControlNormal">
+</vector>