update examples for docs, add some missing resource examples

[davidbloss]

Issues

Ensure the terraform registry docs generator still works

Changelog

Update datasources and resources configs in examples/ directory. Updates like alert_name_predicate { --> alert_name_predicate = { are a result of updating blocks to SingleNestedAttributes and will need to be documented in the 1.0 release. Added examples for:

• opslevel_webhook_actions datasource

• opslevel_user datasource

• opslevel_service_tag resource

• opslevel_team_tag resource

• [X] List your changes here

• [ ] Make a changie entry, N/A docs

Tophatting

task docs