dubでビルドできるようにした

.gitignore

@@ -187,3 +187,6 @@ FakesAssemblies/
 GeneratedArtifacts/
 _Pvt_Extensions/
 ModelManifest.xml
+dub.selections.json
+out/
+.dub/

dub.json

@@ -0,0 +1,13 @@
+{
+	"name": "otyasmilebasic",
+	"dependencies": {
+		"derelict-sdl2": "*",
+		"derelict-gl3": "*"
+	},
+	"sourceFiles": ["SMILEBASIC/bg.d","SMILEBASIC/builtinfunctions.d","SMILEBASIC/compiler.d","SMILEBASIC/error.d","SMILEBASIC/main.d","SMILEBASIC/node.d","SMILEBASIC/parser.d","SMILEBASIC/petitcomputer.d","SMILEBASIC/sprite.d","SMILEBASIC/systemvariable.d","SMILEBASIC/token.d","SMILEBASIC/type.d","SMILEBASIC/VM.d"],
+	"targetType": "executable",
+	"buildRequirements": ["allowWarnings"],
+	"targetPath": "out",
+	"workingDirectory": "out",
+	"copyFiles": ["SMILEBASIC/spdef.csv"]
+}