feat: group analytics

* wip

* wip

* wip

* wip

* wip

* add buffer

* wip

* wip

* fixes

* fix

* wip

* group validation

* fix group issues

* docs: add groups

packages/importer/src/providers/mixpanel.test.ts

@@ -314,6 +314,7 @@ describe('mixpanel', () => {
       sdk_name: 'mixpanel (web)',
       sdk_version: '1.0.0',
       session_id: '',
+      groups: [],
     });
   });
 });

packages/importer/src/providers/mixpanel.ts

@@ -396,6 +396,7 @@ export class MixpanelProvider extends BaseImportProvider<MixpanelRawEvent> {
       properties,
       created_at: createdAt,
       is_external: true,
+      groups: [],
     };
   }
 
@@ -536,6 +537,7 @@ export class MixpanelProvider extends BaseImportProvider<MixpanelRawEvent> {
         ? `${this.provider} (${props.mp_lib})`
         : this.provider,
       sdk_version: this.version,
+      groups: [],
     };
 
     // TODO: Remove this

packages/importer/src/providers/umami.ts

@@ -337,6 +337,7 @@ export class UmamiProvider extends BaseImportProvider<UmamiRawEvent> {
       imported_at: new Date().toISOString(),
       sdk_name: this.provider,
       sdk_version: this.version,
+      groups: [],
     };
   }