New option to use and configure Prosody mod_firewall WIP (#97):

* new setting
* new configuration screen for Peertube admins
* include the mod_firewall module
* load mod_firewall if enabled
* sys admin can disable the firewall config editing by creating a
  special file on the disk
* user documentation

server/lib/routers/api.ts

@@ -14,6 +14,7 @@ import { initFederationServerInfosApiRouter } from './api/federation-server-info
 import { initConfigurationApiRouter } from './api/configuration'
 import { initPromoteApiRouter } from './api/promote'
 import { initEmojisRouter } from './emojis'
+import { initAdminFirewallApiRouter } from './api/admin/firewall'
 
 /**
  * Initiate API routes
@@ -45,6 +46,8 @@ async function initApiRouter (options: RegisterServerOptions): Promise<Router> {
   await initPromoteApiRouter(options, router)
   await initEmojisRouter(options, router)
 
+  await initAdminFirewallApiRouter(options, router)
+
   if (isDebugMode(options)) {
     // Only add this route if the debug mode is enabled at time of the server launch.
     // Note: the isDebugMode will be tested again when the API is called.