Some examples for "add" metadata policy operator have wrong operator value type

[cicnavi]

In definition of 'add' policy operator 6.1.3.1.2. add, possible operator values are arrays only:

However, there are some examples of this policy operator which uses string for value:

By searching for pattern 'add": "', I could find 5 of those cases (there are also examples which use arrays).

[selfissued]

We discussed this on the 14-Aug-24 Federation editors' call. We agree that this needs to be corrected. @rohe will create a PR.

[vdzhuvinov]

Good catch, thanks for filing this issue

[selfissued]

Fixed by #44