Space Type and Defaults, AI Services, Whiteboards, Healthchecks, Forum

What's Changed

• usage of space type to determine default contents of a space by @techsmyth in #4069
• Invitations to support all contributor types by @techsmyth in #4091
• refactor of ai / vcs; wip by @techsmyth in #4116
• added meta information into AI Persona entity, also in migration by @techsmyth in #4118
• additional dto + naming refinements by @techsmyth in #4119
• Add whiteboard last saved date subscription by @ccanos in #4117
• Forum entity to hold Discussions by @techsmyth in #3730
• My invitations: also show relevant VC + Org invitations by @techsmyth in #4123
• LicensePolicy with credentialRules; FeatureFlags migrated by @techsmyth in #4125
• Health checks between microservices by @hero101 in #4128
• added migration to add type to license plan by @techsmyth in #4130
• Ingest docs and spreadsheets by @valeksiev in #4094
• License Plan Type code style fix by @me-andre in #4131
• filter active sub by SPACE_PLAN by @bobbykolev in #4133
• VCs + AI Server split by @techsmyth in #4048
• Release: AI Services, Forum, Invitations by @valentinyanakiev in #4134

Full Changelog: v0.80.0...v0.81.0