fixed for app thread + added route '/'

dist/index.html

     <script src='/tracim.app.entry.js'></script>
 
     <script src='/app/html-documents.app.js'></script>
-    <!-- <script src='/app/thread.app.js'></script>
-    <script src='/app/file.app.js'></script> -->
+    <script src='/app/thread.app.js'></script>
+    <!-- <script src='/app/file.app.js'></script> -->
 
     <script src="/dev/jquery-3.2.1.js"></script>
     <script src="/dev/popper-1.12.3.js"></script>
         const selectedApp = getSelectedApp(app.config.slug)
 
         if (selectedApp.isRendered) {
-          GLOBAL_dispatchEvent({type: `${app.config.slug}_showApp`, data: app})
+          GLOBAL_dispatchEvent({type: `${app.config.slug}_showApp`, data: app}) // handled by html-documents:src/container/HtmlDocument.jsx
         } else {
           selectedApp.renderApp(app)
           selectedApp.isRendered = true

src/container/OpenContentApp.jsx

         this.props.updateAppOpened(true)
       } else {
         GLOBAL_dispatchEvent({
-          type: 'html-documents_reloadContent',
+          type: 'html-documents_reloadContent', // handled by html-documents:src/container/HtmlDocument.jsx
           data: contentToOpen
         })
       }

src/container/Tracim.jsx

             <div className='tracim__content'>
               <Route path={PAGE.LOGIN} component={Login} />
 
+              <PrivateRoute exact path='/' component={WorkspaceContent} />
+
               <Switch>
                 <PrivateRoute path={PAGE.WORKSPACE.DASHBOARD(':idws')} component={Dashboard} />
                 <PrivateRoute path={PAGE.WORKSPACE.CALENDAR(':idws')} component={() => <div><br /><br /><br /><br />NYI</div>} />