Add Ortus config, disabling particle buffering

See https://github.com/SammySemicolon/Malum-Mod/issues/109

config/ortus-client.toml

@@ -0,0 +1,17 @@
+
+[graphics]
+
+	[graphics.fire]
+		#Downwards offset of Minecraft's first-person fire overlay. Higher numbers cause it to visually display lower and free up more screen space.
+		#Range: 0.0 ~ 1.0
+		fire_overlay_offset = 0.0
+
+	[graphics.particle]
+		#Should particles render on the delayed buffer? This means they will properly render after clouds & water do, but could cause issues with mods like sodium.
+		buffer_particles = false
+
+[screenshake]
+	#Intensity of screenshake. Higher numbers increase amplitude.
+	#Range: 0.0 ~ 1.0
+	screenshake_intensity = 1.0
+