Re-adding the CircularData.ts file

RELOG

@@ -0,0 +1 @@
+Subproject commit 5ea3e10139afdf0fc6e721a000dc5bc29a975ac4

web/src/components/CaseBuilder/CircularData.ts

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+export interface CircularPlant {
+    id: string;
+    x: number;
+    y: number;
+
+    input?: string; // optional product name
+
+}
+
+export interface CircularProduct { 
+    id: string;
+    x: number;
+    y: number;
+}
+
+export interface CircularData {
+    plants: Record<string, CircularPlant>;
+
+    products: Record<string, CircularProduct>;
+
+    parameters: Record<string, any>; // Any parameters, ex: simulation years, costs 
+
+}