add vfx graph package

add vfx graph learning templates
add vfx arc example

Simulation/ProjectSettings/PackageManagerSettings.asset

@@ -12,11 +12,13 @@ MonoBehaviour:
   m_Script: {fileID: 13964, guid: 0000000000000000e000000000000000, type: 0}
   m_Name: 
   m_EditorClassIdentifier: 
-  m_EnablePreviewPackages: 0
-  m_EnablePackageDependencies: 0
+  m_EnablePreReleasePackages: 1
   m_AdvancedSettingsExpanded: 1
   m_ScopedRegistriesSettingsExpanded: 1
-  oneTimeWarningShown: 0
+  m_SeeAllPackageVersions: 0
+  m_DismissPreviewPackagesInUse: 0
+  oneTimeWarningShown: 1
+  oneTimeDeprecatedPopUpShown: 0
   m_Registries:
   - m_Id: main
     m_Name: 
@@ -24,20 +26,15 @@ MonoBehaviour:
     m_Scopes: []
     m_IsDefault: 1
     m_Capabilities: 7
+    m_ConfigSource: 0
+    m_Compliance:
+      m_Status: 0
+      m_Violations: []
   m_UserSelectedRegistryName: 
   m_UserAddingNewScopedRegistry: 0
   m_RegistryInfoDraft:
-    m_ErrorMessage: 
-    m_Original:
-      m_Id: 
-      m_Name: 
-      m_Url: 
-      m_Scopes: []
-      m_IsDefault: 0
-      m_Capabilities: 0
     m_Modified: 0
-    m_Name: 
-    m_Url: 
-    m_Scopes:
-    - 
-    m_SelectedScopeIndex: 0
+    m_ErrorMessage: 
+    m_UserModificationsInstanceId: -868
+    m_OriginalInstanceId: -870
+  m_LoadAssets: 0

Simulation/ProjectSettings/VFXManager.asset

@@ -3,10 +3,18 @@
 --- !u!937362698 &1
 VFXManager:
   m_ObjectHideFlags: 0
-  m_IndirectShader: {fileID: 0}
-  m_CopyBufferShader: {fileID: 0}
-  m_SortShader: {fileID: 0}
-  m_StripUpdateShader: {fileID: 0}
+  m_IndirectShader: {fileID: 7200000, guid: 84a17cfa13e40ae4082ef42714f0a81c, type: 3}
+  m_CopyBufferShader: {fileID: 7200000, guid: 23c51f21a3503f6428b527b01f8a2f4e, type: 3}
+  m_PrefixSumShader: {fileID: 7200000, guid: 783e0fdc1a277f54bb851fd2ceab1e7f, type: 3}
+  m_SortShader: {fileID: 7200000, guid: ea257ca3cfb12a642a5025e612af6b2a, type: 3}
+  m_StripUpdateShader: {fileID: 7200000, guid: 8fa6c4009fe2a4d4486c62736fc30ad8, type: 3}
+  m_EmptyShader: {fileID: 4800000, guid: 33a2079f6a2db4c4eb2e44b33f4ddf6b, type: 3}
   m_RenderPipeSettingsPath: 
   m_FixedTimeStep: 0.016666668
   m_MaxDeltaTime: 0.05
+  m_MaxScrubTime: 30
+  m_MaxCapacity: 100000000
+  m_CompiledVersion: 7
+  m_RuntimeVersion: 38
+  m_RuntimeResources: {fileID: 11400000, guid: bc10b42afe3813544bffd38ae2cd893d, type: 2}
+  m_BatchEmptyLifetime: 300