Add Petroleum theme

A darker variant of the Soda Dark theme

repository/t.json

@@ -722,6 +722,17 @@
 				}
 			]
 		},
+		{
+			"name": "Theme - Petroleum",
+			"details": "https://github.com/Ociidii-Works/theme_petroleum",
+			"labels": ["theme"],
+			"releases": [
+				{
+					"sublime_text": "*",
+					"tags": true
+				}
+			]
+		},
 		{
 			"name": "Theme - Phoenix",
 			"details": "https://github.com/netatoo/phoenix-theme",
@@ -1802,4 +1813,4 @@
 			]
 		}
 	]
-}
\ No newline at end of file
+}