feat(content): Biodiesel Fuel for Gasoline Engines (#3716)

* Added alcohol fuels to engine

Made gasoline and JP8 engines capable of using ethanol, methanol, and denatured alcohol as fuel.

* style(autofix.ci): automated formatting

* Replace ethanol with biodiesel

* style(autofix.ci): automated formatting

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Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

data/json/vehicleparts/combustion.json

@@ -31,7 +31,7 @@
     "copy-from": "engine_combustion",
     "type": "vehicle_part",
     "fuel_type": "gasoline",
-    "fuel_options": [ "gasoline", "avgas" ],
+    "fuel_options": [ "gasoline", "avgas", "biodiesel" ],
     "//2": "TODO: remove when injectors are implemented",
     "m2c": 60,
     "//": "30% energy efficiency",