Update:

-delen van agenda toegevoegd
-popup aangepast
-accepteren van uitnodiging toegevoegd
-koppelen van gebruiker aan bedrijf
-versturen van uitnodiging via mail

src/main/java/nl/veenm/paypoint/domain/Company.java

@@ -1,6 +1,5 @@
 package nl.veenm.paypoint.domain;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.persistence.*;
 
 import java.util.HashSet;
@@ -18,9 +17,8 @@ public class Company {
     private String postal_code;
     private String city;
 
-    @ManyToMany(mappedBy = "companies")
-    @JsonIgnore
-    private Set<AppUser> users = new HashSet<>();
+    @OneToMany(mappedBy = "company", cascade = CascadeType.ALL, orphanRemoval = true)
+    private Set<UserCompany> userCompanies = new HashSet<>();
 
     public void setId(Long id) {
         this.id = id;
@@ -78,11 +76,11 @@ public class Company {
         this.city = city;
     }
 
-    public Set<AppUser> getUsers() {
-        return users;
+    public Set<UserCompany> getUserCompanies() {
+        return userCompanies;
     }
 
-    public void setUsers(Set<AppUser> users) {
-        this.users = users;
+    public void setUserCompanies(Set<UserCompany> userCompanies) {
+        this.userCompanies = userCompanies;
     }
 }