Bug 1613313 - Network monitor is not included in the index.md file r=jdescottes

Differential Revision: https://phabricator.services.mozilla.com/D61711

--HG--
rename : devtools/client/netmonitor/README.md => devtools/client/netmonitor/doc/architecture.md
extra : moz-landing-system : lando

devtools/client/netmonitor/moz.build

@@ -17,3 +17,5 @@ BROWSER_CHROME_MANIFESTS += ['test/browser.ini']
 
 with Files('**'):
     BUG_COMPONENT = ('DevTools', 'Netmonitor')
+
+SPHINX_TREES['/devtools/netmonitor'] = 'docs'

devtools/docs/index.rst

@@ -80,6 +80,7 @@ Tool Architectures
    Debugger <tools/debugger-panel.md>
    Responsive Design Mode <tools/responsive-design-mode.md>
    Console <tools/console-panel.md>
+   Network </devtools/netmonitor/architecture.md>
 
 
 Frontend

devtools/docs/tools/network-panel.md

@@ -1 +0,0 @@
-You can find the Network Monitor documentation on `devtools/client/netmonitor/README.md` file.