feat: MailJet list handling with DOI, webhook receiver and API endpoint

addresses #869cut134

http-client.env.json

@@ -30,6 +30,15 @@
           "Auth URL": "https://myep.ddev.site/authorize",
           "Token URL": "https://myep.ddev.site/token",
           "Scope": "api"
+        },
+        "oauth2_newsletter": {
+          "Type": "OAuth2",
+          "Grant Type": "Client Credentials",
+          "Client ID": "{{oauth2_api_client_id}}",
+          "Client Secret": "{{oauth2_api_client_secret}}",
+          "Auth URL": "https://myep.ddev.site/authorize",
+          "Token URL": "https://myep.ddev.site/token",
+          "Scope": "api"
         }
       }
     }
@@ -65,6 +74,15 @@
           "Auth URL": "https://my.ep-reisen.net/authorize",
           "Token URL": "https://my.ep-reisen.net/token",
           "Scope": "api"
+        },
+        "oauth2_newsletter": {
+          "Type": "OAuth2",
+          "Grant Type": "Client Credentials",
+          "Client ID": "{{oauth2_api_client_id}}",
+          "Client Secret": "{{oauth2_api_client_secret}}",
+          "Auth URL": "https://my.ep-reisen.net/authorize",
+          "Token URL": "https://my.ep-reisen.net/token",
+          "Scope": "api"
         }
       }
     }
@@ -100,6 +118,15 @@
           "Auth URL": "https://my.ep-reisen.de/authorize",
           "Token URL": "https://my.ep-reisen.de/token",
           "Scope": "api"
+        },
+        "oauth2_newsletter": {
+          "Type": "OAuth2",
+          "Grant Type": "Client Credentials",
+          "Client ID": "{{oauth2_api_client_id}}",
+          "Client Secret": "{{oauth2_api_client_secret}}",
+          "Auth URL": "https://my.ep-reisen.de/authorize",
+          "Token URL": "https://my.ep-reisen.de/token",
+          "Scope": "api"
         }
       }
     }