added a testcase to enshure no regressions happen

webclient/cypress/e2e/coordinates.cy.ts

@@ -0,0 +1,9 @@
+describe("Check if users can submit coordinates", () => {
+  it("main page", () => {
+    // 1902.02.286 is a unimportant room in Heilbron which will likely never get a coordinate
+    cy.visit("http://localhost:8000/view/1902.02.286");
+    cy.intercept("POST", "/api/feedback/get_token", { statusCode: 201, fixture: "feedback_token.json" });
+  });
+});
+
+export {};