feat: added counting bits algorithm

Author: agpeshal

dynamic_programming/counting_bits.py

@@ -0,0 +1,21 @@
+def countBits(num: int):
+    '''
+    >>
+    '''
+    ones = [0, 1]
+    anchor = 2
+    
+    if num < 2:
+        return ones[:num+1]
+    
+    while(True):
+        j = 0
+        while(j<anchor):
+            if len(ones) == num+1:
+                return ones
+            ones.append(ones[j]+1)
+            j += 1
+
+        anchor = anchor + j
+
+print(countBits(5))