Added time synchronization for round timer, and finished round start UI

.gitignore

@@ -1,16 +1,20 @@
-## Ignore Unity temporary files, build results, etc
-/[Ll]ibrary/
-/[Tt]emp/
-/[Oo]bj/
-/[Bb]uild/
-/[Bb]uilds/
-/Assets/AssetStoreTools*
-/[Bb]uilds[Nn][Cc]lips/
+[Ll]ibrary/
+[Tt]emp/
+[Oo]bj/
+[Bb]uild/
+[Bb]uilds/
+[Bb]uild.meta
+
+Assets/~NonVersioned*
+Assets/LoomSDK/Samples/*.zip
+Assets/LoomSDK/Samples/*.zip.meta
+
+# Visual Studio 2015 cache directory
 /.vs/
 
-# Autogenerated VS/MD solution and project files
+# Autogenerated VS/MD/Consulo solution and project files
 ExportedObj/
-.vs/
+.consulo/
 *.csproj
 *.unityproj
 *.sln
@@ -21,16 +25,36 @@ ExportedObj/
 *.pidb
 *.booproj
 *.svd
+*.pdb
 
 # Unity3D generated meta files
 *.pidb.meta
+*.pdb.meta
 
 # Unity3D Generated File On Crash Reports
 sysinfo.txt
 
 # Builds
 *.apk
 *.unitypackage
+.DS_Store
+Assets/Plugins/AsyncAwaitUtil/Documentation.meta
+Assets/Plugins/AsyncAwaitUtil/Documentation/*
+/packages/*
+/WebGL/Template/node_modules/
+/WebGL/Template/yarn-error.log
+/Assets/Plugins/Android/*.aar
+/Assets/Plugins/Android/*.jar
+/Assets/Plugins/Android/*.jar.meta
+/Assets/Plugins/Android/*.aar.meta
+/webgl-build/
+
+# JetBrains Rider
+.idea
+Assets/Plugins.meta
+Assets/Plugins/Editor.meta
+Assets/Plugins/Editor/JetBrains
+Assets/Plugins/Editor/JetBrains.meta
 
 # OSX
 .DS_Store