Update and rename docs/numberFormat.md to docs/reference/buffer/numberFormat.md

Author: DeveloperTryingToCodeLikeOtherOfThem

docs/numberFormat.md

@@ -0,0 +1,20 @@
+## Number Format
+The **Number Format** formats the size of a specificed number.
+``` sig
+   Buffer.sizeOfNumberFormat(NumberFormat.Int8LE);
+```
+
+The formats for storing the numbers are:
+Int8LE: one byte, signed, little endian
+UInt8LE: one byte, unsigned, little endian
+Int8BE: one byte, signed, big endian
+UInt8BE: one byte, unsigned, big endian
+Int16LE: two bytes, signed, little endian
+UInt16LE: two bytes, unsigned, little endian
+Int16BE: two bytes, signed, big endian
+UInt16BE: two bytes, unsigned, big endian
+Int32LE: four bytes, signed, little endian
+Int32BE: four bytes, signed, big endian
+
+## See also
+[buffers](https://github.com/DeveloperTryingToCodeLikeOtherOfThem/pxt-hardware-programming-docs/blob/main/docs/buffers.md)