Put initial index in index readme.md

searching/README.md

@@ -1 +1,12 @@
-# Index
+# Searching algorithms
+
+### c-or-cpp
+
+1. linear-search.cpp
+2. binary-search.cpp
+
+### python
+
+1. linear-search.py
+2. binary-search.py
+

sorting/README.md

@@ -1 +1,11 @@
-# Index
+# Sorting algorithms
+
+### c-or-cpp
+
+1. bubble-sort.cpp
+
+### python
+
+1. bubble-sort.py
+
+

strings/README.md

@@ -1 +1,5 @@
-# Index
+# String operations
+
+### c-or-cpp
+
+1. palindrome check (palindrome.c)