feat: create colored artefact cards

not-alone-server/src/main/java/fr/univnantes/alma/model/card/place/ArtefactCard.java

 package fr.univnantes.alma.model.card.place;
 
-import fr.univnantes.alma.model.BoardGame;
-
 /**
  * Artefact place card.
  */
-public class ArtefactCard extends BasicPlaceCard {
+public abstract class ArtefactCard extends BasicPlaceCard {
 
     /**
      * Card number.
@@ -17,18 +15,25 @@ public class ArtefactCard extends BasicPlaceCard {
      */
     private static final String CARD_NAME = "L'artefact";
 
+    /**
+     * Card color.
+     */
+    private ArtefactColor color;
+
     /**
      * Create new instance of artefact card.
+     * @param cardColor Card color.
      */
-    public ArtefactCard() {
+    public ArtefactCard(ArtefactColor cardColor) {
         super(CARD_NUMBER, CARD_NAME);
+        color = cardColor;
     }
 
     /**
-     * {@inheritdoc}
+     * Return card color.
+     * @return Artefact card color.
      */
-    @Override
-    public void applyEffect(final BoardGame boardGame) {
-
+    public ArtefactColor getColor() {
+        return color;
     }
 }

not-alone-server/src/main/java/fr/univnantes/alma/model/card/place/ArtefactColor.java

+package fr.univnantes.alma.model.card.place;
+
+/**
+ * Color of artefact card.
+ */
+public enum ArtefactColor {
+    /**
+     * Blue artefact card.
+     */
+    BLUE,
+
+    /**
+     * Red artefact card.
+     */
+    RED,
+
+    /**
+     * Green artefact card.
+     */
+    GREEN,
+
+    /**
+     * Yellow artefact card.
+     */
+    YELLOW
+}

not-alone-server/src/main/java/fr/univnantes/alma/model/card/place/BlueArtefactCard.java

+package fr.univnantes.alma.model.card.place;
+
+import fr.univnantes.alma.model.BoardGame;
+
+/**
+ * Blue artefact card.
+ */
+public class BlueArtefactCard extends ArtefactCard {
+
+    /**
+     * Card color.
+     */
+    private static final ArtefactColor COLOR = ArtefactColor.BLUE;
+
+    /**
+     * Create new instance of blue artefact card.
+     */
+    public BlueArtefactCard() {
+        super(COLOR);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    @Override
+    public void applyEffect(final BoardGame boardGame) {
+    }
+}

not-alone-server/src/main/java/fr/univnantes/alma/model/card/place/GreenArtefactCard.java

+package fr.univnantes.alma.model.card.place;
+
+import fr.univnantes.alma.model.BoardGame;
+
+/**
+ * Green artefact card.
+ */
+public class GreenArtefactCard extends ArtefactCard {
+
+    /**
+     * Card color.
+     */
+    private static final ArtefactColor COLOR = ArtefactColor.GREEN;
+
+    /**
+     * Create new instance of green artefact card.
+     */
+    public GreenArtefactCard() {
+        super(COLOR);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    @Override
+    public void applyEffect(final BoardGame boardGame) {
+    }
+}

not-alone-server/src/main/java/fr/univnantes/alma/model/card/place/RedArtefactCard.java

+package fr.univnantes.alma.model.card.place;
+
+import fr.univnantes.alma.model.BoardGame;
+
+/**
+ * Red artefact card.
+ */
+public class RedArtefactCard extends ArtefactCard {
+
+    /**
+     * Card color.
+     */
+    private static final ArtefactColor COLOR = ArtefactColor.RED;
+
+    /**
+     * Create new instance of red artefact card.
+     */
+    public RedArtefactCard() {
+        super(COLOR);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    @Override
+    public void applyEffect(final BoardGame boardGame) {
+    }
+}

not-alone-server/src/main/java/fr/univnantes/alma/model/card/place/YellowArtefactCard.java

+package fr.univnantes.alma.model.card.place;
+
+import fr.univnantes.alma.model.BoardGame;
+
+/**
+ * Yellow artefact card.
+ */
+public class YellowArtefactCard extends ArtefactCard {
+
+    /**
+     * Card color.
+     */
+    private static final ArtefactColor COLOR = ArtefactColor.YELLOW;
+
+    /**
+     * Create new instance of yellow artefact card.
+     */
+    public YellowArtefactCard() {
+        super(COLOR);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    @Override
+    public void applyEffect(final BoardGame boardGame) {
+    }
+}