Feature/transak support (#128)

* Added support for transak onramp. Created a new assembly, Integrations (SequenceIntegrations), where this Transak integration (and future integrations) will live

* Increment package version

* Added a note that the transak on ramp api key can be hardcoded

Author: BellringerQuinn

Assets/Sequence/SequenceSDK/Integrations.meta

@@ -0,0 +1,17 @@
+{
+    "name": "SequenceIntegrations",
+    "rootNamespace": "",
+    "references": [
+        "GUID:f7fd4ba36aabd1d499450c174865e70b",
+        "GUID:b4f9c0f8f363f439b9e337f79050f189"
+    ],
+    "includePlatforms": [],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": [],
+    "noEngineReferences": false
+}

Assets/Sequence/SequenceSDK/Integrations/SequenceIntegrations.asmdef

@@ -0,0 +1,23 @@
+{
+    "name": "SequenceIntegrationsTests",
+    "rootNamespace": "",
+    "references": [
+        "GUID:a67bc3d548bec4971b914c7b64c9e959",
+        "GUID:27619889b8ba8c24980f49ee34dbb44a",
+        "GUID:0acc523941302664db1f4e527237feb3",
+        "GUID:f7fd4ba36aabd1d499450c174865e70b"
+    ],
+    "includePlatforms": [
+        "Editor"
+    ],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [
+        "UNITY_INCLUDE_TESTS"
+    ],
+    "versionDefines": [],
+    "noEngineReferences": false
+}

Assets/Sequence/SequenceSDK/Integrations/SequenceIntegrations.asmdef.meta

@@ -0,0 +1,33 @@
+using System;
+using System.Threading.Tasks;
+using NUnit.Framework;
+using Sequence.Integrations.Transak;
+
+namespace Sequence.Integrations.Tests.Transak
+{
+    public class TransakOnRampTests
+    {
+        [Test]
+        public async Task TestGetSupportedCountries()
+        {
+            try
+            {
+                SupportedCountry[] supportedCountries = await TransakOnRamp.GetSupportedCountries();
+                Assert.IsNotNull(supportedCountries);
+                Assert.Greater(supportedCountries.Length, 0);
+            }
+            catch (Exception e)
+            {
+                Assert.Fail("Expected no exception, but got: " + e.Message);
+            }
+        }
+
+        [Test]
+        public void TestGetTransakLink()
+        {
+            TransakOnRamp onRamp = new TransakOnRamp("0xc683a014955b75F5ECF991d4502427c8fa1Aa249");
+            string transakOnRampLink = onRamp.GetTransakLink();
+            Assert.IsNotNull(transakOnRampLink);
+        }
+    }
+}