adds reference link and architecture diagram

Author: adam-burns

hugo-gh/content/about/index.md

@@ -7,8 +7,8 @@ menu:
     weight: 1
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-The sig0namectl project allows decentralised DNS updates by communicating directly with the DNS infrastructure itself. 
 
+The sig0namectl project allows decentralised DNS updates by communicating directly with the DNS infrastructure itself.
 
 sig0namectl allows open requests to claim update rights of an unused DNS domain on a "first come, first served" basis.
 
@@ -25,7 +25,9 @@ To receive update permissions, public keys are embedded within the DNS fabric at
 
 To submit DNS updates, sig0namectl locally signs and sends DNS update requests using the private key generated by the claimant.
 
-The project consists of a number of different component types:
+The project consists of a number of different components:
+
+<br><img src="/images/20240909-sig0namectl-architecture.png"><br><br>
 
 # 🌐 Web Browser Applications
 
@@ -61,6 +63,8 @@ Existing Workflow Automation Tools allow automatic:
 
 The sig0namectl Javascript API provides a standard interface to the sig0namectl DNS Library. Golang module transpiles to WASM and exports functions available to Javascript in popular web browsers. The set of functions exported defines a Javascript API to ease development of custom DNS web applications.
 
+See [sig0namectl Tutorials]( {{< relref "tutorials/" >}}) for API details.
+
 # 📚 sig0namectl library
 
 The sig0namectl Library provides developers a standard library in the form of a golang module to develop further custom tools that can be compiled for a variety of target host platforms or to produce wasm binaries to be executed in web browser environments.