fetching user insights reports

[mrmauer]

Tests

more testing required

After PR

let report = await auth.fetchUserTopInviterReport(
    TopInviterReportInterval.THIRTY_DAYS,
    ReportPagination {
        pageSize: 10, // defaults to 10 for all reports
        pageNumber: 0, // defaults to 0 for all reports
    },
);

let report = await auth.fetchUserChampionReport(
    ChampionReportInterval.THIRTY_DAYS,
);

let report = await auth.fetchUserReengagementReport(
    ReengagementReportInterval.WEEKLY,
);

let report = await auth.fetchUserChurnReport(
    ChurnReportInterval.SEVEN_DAYS,
);

let report = await auth.fetchOrgReengagementReport(
    ReengagementReportInterval.WEEKLY,
);

let report = await auth.fetchOrgChurnReport(
    ChurnReportInterval.SEVEN_DAYS,
);

let report = await auth.fetchOrgGrowthReport(
    GrowthReportInterval.THIRTY_DAYS,
);

let report = await auth.fetchOrgAttritionReport(
    AttritionReportInterval.THIRTY_DAYS,
);