all these changes

frontend/node_modules/polygon-clipping/dist/polygon-clipping.d.ts

@@ -0,0 +1,14 @@
+declare module "polygon-clipping" {
+  export type Pair = [number, number]
+  export type Ring = Pair[]
+  export type Polygon = Ring[]
+  export type MultiPolygon = Polygon[]
+  type Geom = Polygon | MultiPolygon
+  export function intersection(geom: Geom, ...geoms: Geom[]): MultiPolygon
+  export function xor(geom: Geom, ...geoms: Geom[]): MultiPolygon
+  export function union(geom: Geom, ...geoms: Geom[]): MultiPolygon
+  export function difference(
+    subjectGeom: Geom,
+    ...clipGeoms: Geom[]
+  ): MultiPolygon
+}