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/20250912190732_AddIsGmxInitializedToAccount.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Managing.Infrastructure.Databases.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddIsGmxInitializedToAccount : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<bool>(
+                name: "IsGmxInitialized",
+                table: "Accounts",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "IsGmxInitialized",
+                table: "Accounts");
+        }
+    }
+}

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)