Config file with Port number.

Started implementing typespec for OpenAPI spec.

spec/main.tsp

@@ -0,0 +1,39 @@
+import "@typespec/openapi3";
+using TypeSpec.OpenAPI;
+
+enum BinaryOperator {
+    AND,
+    OR,
+    IMPLICATION
+}
+
+model ExpressionNot {
+    not: Expression;
+}
+
+// TODO tuple type, possible in OpenAPI 3.1, but unsupported in typespec
+model ExpressionBinary {
+    operator: BinaryOperator;
+    left: Expression;
+    right: Expression;
+}
+
+model ExpressionAtomic {
+    atomic: string;
+}
+
+@oneOf
+union Expression {
+    ExpressionNot;
+    ExpressionBinary;
+    ExpressionAtomic;
+}
+
+model SimplifyResponse {
+    before: string;
+    after: string;
+    orderOfOperations: string[];
+    expression: Expression;
+}
+
+op simplify(): SimplifyResponse;