doc function updates and additions (#387)

doc/source/netscript/basicfunctions/formatNumber.rst

@@ -0,0 +1,28 @@
+formatRam() Netscript Function
+==============================
+
+.. js:function:: formatRam(number[, fractionalDigits = 3[, suffixStart = 1000[, isInteger = false]]])
+    :RAM cost: 0 GB
+
+    :param number number: Number to format.
+    :param number fractionalDigits: Number of digits to show in the fractional part of the decimal number. 
+    :param number suffixStart: How high a number must be before a suffix will be added. 
+    :param boolean isInteger: Whether the number represents an integer. Integers do not display fractional digits until a suffix is present. 
+    
+    :returns: Formatted string.
+
+    Converts a number into a string with ram formatting. 
+
+    The format depends on the Numeric Display settings (all options on the "Numeric Display" options page).
+
+    Examples:
+
+    .. code-block:: javascript
+
+        const number = 1.23456789
+        ns.print(ns.formatNumber(number)); //1.235
+        ns.print(ns.formatNumber(number,4)); //1.2346
+        ns.print(ns.formatNumber(number*1e9,3,1e10)); //1234567890
+        ns.print(ns.formatNumber(number*1e10,5,1e6)); //12.34568b or 1.23457e9
+        ns.print(ns.formatNumber(number,4,1000, true)); //1.235
+        ns.print(ns.formatNumber(number,4,1000, false)); //1.2346