Update Example session

Author: rocky

README.rst

@@ -1,4 +1,6 @@
-Mathics Language and Translation Toolkit module.
+Mathics3 Module for ICU — International Components for Unicode
+
+Functions which provide information from the `Python ICU library <https://pypi.org/project/pyicu/`_ library.
 
 Example Session
 ---------------
@@ -8,5 +10,18 @@ Example Session
    $ mathicsscript
    In[1]:= LoadModule["pymathics.icu"]
    Out[1]= pymathics.icu
+
    In[2]= Alphabet["Croatian"]
-   Out[2]= {['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'r', 's', 't', 'u', 'v', 'z', 'ć', 'č', 'đ', 'š', 'ž', 'dž', 'lj', 'nj']}
+   Out[2]= {a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, r, s, t, u, v, z, ć, č, đ, š, ž, dž, lj, nj}
+
+   In[3]:= $Language
+   Out[3]= "English"
+
+   In[4]:= Alphabet[]
+   Out[4]= {a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z}
+
+   In[5]:= $Language="German"
+   Out[5]= "German"
+
+   In[6]:= Alphabet[]
+   Out[6]= {a, ä, b, c, d, e, f, g, h, i, j, k, l, m, n, o, ö, p, q, r, s, ß, t, u, ü, v, w, x, y, z}