Update OGDescription

Author: Kyle-Ye

Sources/OpenGraph_SPI/Graph/GraphDescription.mm

@@ -13,6 +13,8 @@
 
 const CFStringRef OGDescriptionFormat = CFSTR("format");
 const CFStringRef OGDescriptionIncludeValues = CFSTR("include-values");
+const CFStringRef OGDescriptionTruncationLimit = CFSTR("truncation-limit");
+const CFStringRef OGDescriptionMaxFrames = CFSTR("max-frames");
 
 CFTypeRef OG::Graph::description(const Graph * _Nullable graph, NSDictionary* dic) {
     // TODO

Sources/OpenGraph_SPI/include/OGGraphDescription.h

@@ -22,6 +22,12 @@ const CFStringRef OGDescriptionFormat OG_SWIFT_NAME(OGGraphRef.descriptionFormat
 OG_EXPORT
 const CFStringRef OGDescriptionIncludeValues OG_SWIFT_NAME(OGGraphRef.descriptionIncludeValues);
 
+OG_EXPORT
+const CFStringRef OGDescriptionTruncationLimit OG_SWIFT_NAME(OGGraphRef.descriptionTruncationLimit);
+
+OG_EXPORT
+const CFStringRef OGDescriptionMaxFrames OG_SWIFT_NAME(OGGraphRef.descriptionMaxFrames);
+
 static const CFStringRef OGDescriptionFormatDot OG_SWIFT_NAME(OGGraphRef.descriptionFormatDot) = CFSTR("graph/dot");
 
 static const CFStringRef OGDescriptionFormatDictionary OG_SWIFT_NAME(OGGraphRef.descriptionFormatDictionary) = CFSTR("graph/dict");