Updated Oauth2 class with Refresh Token workflow

Added an interactive Gitlab OAuth example with instructions for first-time user.

Author: francois-normandin

Oauth2.0.lvproj

@@ -1,6 +1,7 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <Project Type="Project" LVVersion="13008000">
 	<Property Name="NI.LV.All.SourceOnly" Type="Bool">true</Property>
+	<Property Name="NI.Project.Description" Type="Str"></Property>
 	<Item Name="My Computer" Type="My Computer">
 		<Property Name="NI.SortType" Type="Int">3</Property>
 		<Property Name="server.app.propertiesEnabled" Type="Bool">true</Property>
@@ -101,6 +102,7 @@
 				<Item Name="GregorianCal_MonthLengths.vi" Type="VI" URL="/&lt;vilib&gt;/LabVIEW Open Source Project/Epoch Date &amp; Time/GregorianCal_MonthLengths.vi"/>
 				<Item Name="ISO8601 DateString to Timestamp.vi" Type="VI" URL="/&lt;vilib&gt;/LabVIEW Open Source Project/Epoch Date &amp; Time/formatter.iso8601/ISO8601 DateString to Timestamp.vi"/>
 				<Item Name="Unix Time to Timestamp.vi" Type="VI" URL="/&lt;vilib&gt;/LabVIEW Open Source Project/Epoch Date &amp; Time/epoch.UNIX/Unix Time to Timestamp.vi"/>
+				<Item Name="OpenConvert.lvlib" Type="Library" URL="/&lt;vilib&gt;/LabVIEW Open Source Project/Data Manipulation/Conversions/OpenConvert.lvlib"/>
 			</Item>
 		</Item>
 		<Item Name="Build Specifications" Type="Build"/>