Update numerics.pod6

Author: rafaelschipiura

doc/Language/numerics.pod6

@@ -474,21 +474,31 @@ size on 32-bit machines, and how to detect when your program is running on such
     Native type | Base numeric     | Size
     ============+==================+===============
     int         | integer          | 64-bits
+    
     int8        | integer          | 8-bits
+    
     int16       | integer          | 16-bits
+    
     int32       | integer          | 32-bits
+    
     int64       | integer          | 64-bits
-
+    ------------+------------------+---------------
     uint        | unsigned integer | 64-bits
+    
     uint8       | unsigned integer | 8-bits
+    
     uint16      | unsigned integer | 16-bits
+    
     uint32      | unsigned integer | 32-bits
+    
     uint64      | unsigned integer | 64-bits
-
+    ------------+------------------+---------------
     num         | floating point   | 64-bits
+    
     num32       | floating point   | 32-bits
+    
     num64       | floating point   | 64-bits
-
+    ------------+------------------+---------------
     atomicint   | integer          | sized to offer CPU-provided atomic operations. (typically 64 bits on 64-bit platforms and 32 bits on 32-bit ones)
 
 =end table