feat: reduce number of steps needed to get going for local development (#454)

* feat: reduce number of steps to get going for local development

* fix: set default sync server in SNJS

* chore: keep --force in submodules command

app/assets/javascripts/app.ts

@@ -54,12 +54,18 @@ import { isDev } from './utils';
 import { Bridge, BrowserBridge } from './services/bridge';
 
 if (__WEB__) {
-  startApplication(new BrowserBridge());
+  startApplication(
+    (window as any)._default_sync_server,
+    new BrowserBridge()
+  );
 } else {
   (window as any).startApplication = startApplication;
 }
 
-function startApplication(bridge: Bridge) {
+function startApplication(
+  defaultSyncServerHost: string,
+  bridge: Bridge
+) {
   angular.module('app', ['ngSanitize']);
 
   // Config
@@ -67,6 +73,7 @@ function startApplication(bridge: Bridge) {
     .module('app')
     .config(configRoutes)
     .constant('bridge', bridge)
+    .constant('defaultSyncServerHost', defaultSyncServerHost)
     .constant('appVersion', __VERSION__);
 
   // Controllers

app/assets/javascripts/ui_models/application.ts

@@ -56,6 +56,7 @@ export class WebApplication extends SNApplication {
     $timeout: ng.ITimeoutService,
     scope: ng.IScope,
     onDeinit: (app: WebApplication) => void,
+    defaultSyncServerHost: string,
     bridge: Bridge,
   ) {
     const namespace = '';
@@ -73,6 +74,7 @@ export class WebApplication extends SNApplication {
       namespace,
       undefined,
       undefined,
+      defaultSyncServerHost
     );
     this.$compile = $compile;
     this.scope = scope;

app/assets/javascripts/ui_models/application_group.ts

@@ -29,7 +29,8 @@ export class ApplicationGroup {
     $compile: ng.ICompileService,
     $rootScope: ng.IRootScopeService,
     $timeout: ng.ITimeoutService,
-    private bridge: Bridge
+    private defaultSyncServerHost: string,
+    private bridge: Bridge,
   ) {
     this.$compile = $compile;
     this.$timeout = $timeout;
@@ -71,7 +72,8 @@ export class ApplicationGroup {
       this.$timeout,
       scope,
       this.onApplicationDeinit,
-      this.bridge
+      this.defaultSyncServerHost,
+      this.bridge,
     );
     const appState = new AppState(
       this.$rootScope,