Add Freesia entry.

ST3-and-up for now.

repository/t.json

@@ -317,6 +317,17 @@
 				}
 			]
 		},
+		{
+			"name": "Theme - Freesia",
+			"details": "https://github.com/nilium/st-theme-freesia",
+			"labels": ["theme"],
+			"releases": [
+				{
+					"sublime_text": ">=3000",
+					"details": "https://github.com/nilium/st-theme-freesia/tags"
+				}
+			]
+		},
 		{
 			"name": "Theme - Glacier",
 			"details": "https://github.com/joeyfigaro/glacier-theme",