making it nicer

app.py

@@ -87,7 +87,7 @@ def prepare_heatmap_data(data):
     return heatmap_data
 
 def plot_emotion_heatmap(heatmap_data):
-    fig = plt.figure(figsize=(len(heatmap_data.columns) * 0.5 + 2, 5))
+    fig = plt.figure(figsize=(len(heatmap_data.columns) * 0.5 + 4, 5))
     sns.heatmap(heatmap_data, annot=False, cmap="coolwarm", cbar=True, linewidths=0.5, linecolor='gray')
     plt.xlabel("Sentences")
     plt.ylabel("Emotions")