chore: replace textDrawable library (#136)

## Types of changes

- [x] I have read the **CONTRIBUTING** document.
- [x] My code follows the code style of this project.
- [ ] I have updated the documentation accordingly.
- [ ] I have added tests to cover my changes.
- [x] All new and existing tests passed.
- [x] This is **NOT** translation related.

This closes issue #120

Removed the dependency `com.amulyakhare.textdrawable` and slightly simplified the logic required to set circular images.

Co-authored-by: davidoskky <davidoskky@yahoo.it>
Reviewed-on: https://gitea.amine-louveau.fr/Louvorg/ReaderForSelfoss-multiplatform/pulls/136
Co-authored-by: davidoskky <davidoskky@hidden.hidden>
Co-committed-by: davidoskky <davidoskky@hidden.hidden>

androidApp/src/main/res/layout/card_item.xml

@@ -39,7 +39,7 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/itemImage">
 
-            <ImageView
+            <bou.amine.apps.readerforselfossv2.android.utils.CircleImageView
                 android:id="@+id/sourceImage"
                 android:layout_width="40dp"
                 android:layout_height="40dp"

androidApp/src/main/res/layout/circle_image_view.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content">
+
+    <com.google.android.material.imageview.ShapeableImageView
+        android:id="@+id/circleImage"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:scaleType="centerCrop"
+        app:shapeAppearanceOverlay="@style/circleImageView"
+        app:srcCompat="@drawable/background_splash" />
+
+    <TextView
+        android:id="@+id/circleText"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:ellipsize="none"
+        android:gravity="center"
+        android:singleLine="true"
+        android:textColor="@color/white"
+        android:textIsSelectable="false"
+        android:textSize="20sp"
+        android:typeface="normal" />
+</RelativeLayout>

androidApp/src/main/res/layout/list_item.xml

@@ -5,7 +5,7 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content">
 
-    <ImageView
+    <bou.amine.apps.readerforselfossv2.android.utils.CircleImageView
         android:id="@+id/itemImage"
         android:layout_width="46dp"
         android:layout_height="46dp"

androidApp/src/main/res/layout/source_list_item.xml

@@ -25,7 +25,7 @@
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintVertical_bias="0.0" />
 
-    <ImageView
+    <bou.amine.apps.readerforselfossv2.android.utils.CircleImageView
         android:id="@+id/itemImage"
         android:layout_width="36dp"
         android:layout_height="36dp"

androidApp/src/main/res/values/styles.xml

@@ -32,4 +32,10 @@
         <item name="android:colorBackgroundCacheHint">@null</item>
         <item name="android:windowIsTranslucent">true</item>
     </style>
+
+    <style name="circleImageView" parent="">
+        <item name="cornerFamily">rounded</item>
+        <item name="cornerSize">50%</item>
+    </style>
+
 </resources>