Added docs for strings

Author: OmkarPathak

docs/strings.rst

@@ -0,0 +1,35 @@
+=======
+Strings
+=======
+
+A place for implementation of string algorithms
+
+Features
+--------
+
+* To see all the available functions in a module, you can just type ``help()`` with the module name as argument. For example,
+
+.. code:: python
+
+    >>> from pygorithm import strings
+    >>> help(strings)
+        Help on package pygorithm.strings in pygorithm:
+
+        NAME
+        pygorithm.strings - Collection of string methods and functions
+
+        PACKAGE CONTENTS
+        anagram
+        isogram
+        manacher_algorithm
+        palindrome
+        pangram
+
+
+Anagram
+-----------
+
+* Functions and their uses
+
+.. automodule:: strings.anagram
+   :members: