index: add slide with rm length

Signed-off-by: Sean Cross <sean@xobs.io>

index.html

@@ -205,7 +205,7 @@
    The debug UART is always configured as 8N1. */
 #define UART_DATA_REG   0x00</code></pre>
                     <p><tt>mach_defines.h</tt>, Hackaday 2019 Con Badge</p>
-            <aside class="notes">
+                <aside class="notes">
                     Verilog and VHDL are kind of the C or assembly of the FPGA world.  They're universal,
                     but somewhat unwieldy to use.  You need to manually set up your address decoders,
                     and documentation is very free-form.  Common approaches today involve comments in
@@ -214,6 +214,16 @@
                 </aside>
             </section>
 
+            <section>
+                <h2>Lots of Documentation</h2>
+                <img data-src="img/rm-page-numbers.png">
+                <aside class="notes">
+                    This documentation is very extensive.  The start of Chapter 1 is on page 197, with all
+                    previous pages being the Table of Contents.  It's almost 6000 pages.  It's very
+                    extensive, because it's a very complicated chip.
+                </aside>
+            </section>
+
             <section>
                 <h2>About LiteX</h2>
                 <ul>