Update code sizes (#26)

* Update code sizes

Author: yourslab

docs/doxygen/pages.dox

@@ -16,22 +16,19 @@ The configurations for memory estimation are defined <a href="https://github.com
 
 <table>
     <tr>
-        <td colspan="3"><b>Code Size of coreJSON (example generated with GCC for ARM Cortex-M)</b></td>
+        <td colspan="4"><center><b>Code Size of coreJSON library files (sizes generated with [GCC for ARM Cortex-M toolchain 20191025](https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-rm/downloads/9-2019-q4-major))</b></center></td>
     </tr>
     <tr>
         <td><b>File</b></td>
-        <td><b>With -O1 Optimisation</b></td>
-        <td><b>With -Os Optimisation</b></td>
+        <td><b>No Optimization (asserts enabled)</b></td>
+        <td><b>With -O1 Optimization (asserts disabled)</b></td>
+        <td><b>With -Os Optimization (asserts disabled)</b></td>
     </tr>
     <tr>
         <td>core_json.c</td>
-        <td>4.3K</td>
-        <td>3.5K</td>
-    </tr>
-    <tr>
-        <td><b>Total estimates</b></td>
-        <td>4.3K</td>
-        <td>3.5K</td>
+        <td>9.1K</td>
+        <td>3.1K</td>
+        <td>2.7K</td>
     </tr>
 </table>
  */