Nuspec for AWS dependencies

This requires using Nuget.exe to be generated using the next command:
nuget.exe pack snowflake.data.aws.nuspec -Exclude **

Author: sfc-gh-jmartinezramirez

Snowflake.Data/snowflake.data.aws.nuspec

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
+  <metadata>
+    <id>Snowflake.Data.AWS</id>
+    <version>3.1.0</version>
+    <title>Snowflake.Data.AWS</title>
+    <authors>howryu, tchen</authors>
+    <requireLicenseAcceptance>true</requireLicenseAcceptance>
+    <licenseUrl>https://github.com/snowflakedb/snowflake-connector-net/blob/master/LICENSE</licenseUrl>
+    <projectUrl>https://github.com/snowflakedb/snowflake-connector-net</projectUrl>
+    <iconUrl>https://raw.githubusercontent.com/snowflakedb/snowflake-connector-net/master/Snowflake.Data/snowflake.ico</iconUrl>
+    <description>Snowflake Connector for .NET</description>
+    <copyright>Copyright (c) 2012-2023 Snowflake Computing Inc. All rights reserved.</copyright>
+    <dependencies>
+      <group targetFramework="net6.0">
+        <dependency id="AWSSDK.S3" version="3.7.0.4" exclude="Build,Analyzers" />
+      </group>
+    </dependencies>
+  </metadata>
+</package>