Add a track example

Author: Mr-Milk

docs/examples/Gallery/plot_tracks.py

@@ -0,0 +1,24 @@
+"""
+Sequence Alignment Plot
+=======================
+"""
+from collections import Counter
+import numpy as np
+import pandas as pd
+
+import marsilea as ma
+import matplotlib as mpl
+
+# sphinx_gallery_start_ignore
+import mpl_fontkit as fk
+
+fk.install("Roboto Mono", verbose=False)
+
+mpl.rcParams["font.size"] = 30
+# sphinx_gallery_end_ignore
+
+# %%
+# Generate random data
+# --------------------
+
+