Price reminder and init approval

* Start price reminder grain

* Add config and init grain at startup

* Save init wallet when already init

src/Managing.Infrastructure.Database/Migrations/ManagingDbContextModelSnapshot.cs

@@ -34,6 +34,11 @@ namespace Managing.Infrastructure.Databases.Migrations
                         .IsRequired()
                         .HasColumnType("text");
 
+                    b.Property<bool>("IsGmxInitialized")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(false);
+
                     b.Property<string>("Key")
                         .IsRequired()
                         .HasMaxLength(500)