Adds equals override for Language objects.

Makes languages sort group by can speaks.

app/src/main/java/com/majinnaibu/monstercards/models/Language.java

@@ -1,6 +1,9 @@
 package com.majinnaibu.monstercards.models;
 
+import androidx.annotation.Nullable;
+
 import java.util.Comparator;
+import java.util.Objects;
 
 public class Language implements Comparator<Language>, Comparable<Language> {
 
@@ -31,11 +34,41 @@ public class Language implements Comparator<Language>, Comparable<Language> {
 
     @Override
     public int compareTo(Language o) {
-        return this.getName().compareToIgnoreCase(o.getName());
+        if (this.mSpeaks && !o.mSpeaks) {
+            return -1;
+        }
+        if (!this.mSpeaks && o.mSpeaks) {
+            return 1;
+        }
+        return this.mName.compareToIgnoreCase(o.mName);
     }
 
     @Override
     public int compare(Language o1, Language o2) {
-        return o1.getName().compareToIgnoreCase(o2.getName());
+        if (o1.mSpeaks && !o2.mSpeaks) {
+            return -1;
+        }
+        if (!o1.mSpeaks && o2.mSpeaks) {
+            return 1;
+        }
+        return o1.mName.compareToIgnoreCase(o2.mName);
+    }
+
+    @Override
+    public boolean equals(@Nullable @org.jetbrains.annotations.Nullable Object obj) {
+        if (obj == null) {
+            return false;
+        }
+        if (!(obj instanceof Language)) {
+            return false;
+        }
+        Language otherLanguage = (Language) obj;
+        if (!Objects.equals(this.mName, otherLanguage.mName)) {
+            return false;
+        }
+        if (this.mSpeaks != otherLanguage.mSpeaks) {
+            return false;
+        }
+        return true;
     }
 }