readme update

README

@@ -1,7 +1,29 @@
-# GRCRriddles
+# GRCRiddles
 
 Study of alpha-numeric riddles of ancient Greeks
 
-Documentation: http://grcriddles.readthedocs.io/en/latest/
+´´´bash
+pip install grcriddles
+´´´
 
-EBook: https://www.gitbook.com/book/markomanninen/isopsephical-riddles-pseudo-sibylline-oracles/details
+´´´python
+  # import database getter
+  from grcriddles.functions import get_database
+  a = get_database()
+  # filter words with 1697 isopsephy value
+  a = a[a[4] == 1697]
+  # sort and print word info
+  words = a.sort_values(0)
+  words = words[[0, 1, 3, 4, 5, 7, 8]]
+  words.columns = ['Word', 'Count', 'Letters', 'Isopsephy', 'Syllables', 'Vowels', 'Consonants']
+  words.set_index('Word', inplace=True)
+  words
+´´´
+
+´´´txt
+
+´´´
+
+Developer documentation: http://grcriddles.readthedocs.io/en/latest/
+
+Greek Alpha-Numeric Riddle Solver EBook: https://www.gitbook.com/book/markomanninen/isopsephical-riddles-pseudo-sibylline-oracles/details