Links to online documentation:

* Adding a help button on top of the chat, that links to the online documentation on frama.io.
* Replaced github.io documentation links by frama.io documentation.
* Adding links to the documentation in the diagnostic tool.

server/lib/diagnostic/utils.ts

@@ -1,8 +1,12 @@
-type nextValue = 'backend' | 'debug' | 'webchat-video' | 'prosody'
+type nextValue = 'backend' | 'debug' | 'webchat-video' | 'prosody' | 'everything-ok'
 
 interface MessageWithLevel {
   level: 'info' | 'warning' | 'error'
   message: string
+  help?: {
+    url: string
+    text: string
+  }
 }
 export interface TestResult {
   label?: string