Epic: Create architecture artifacts for feature "Communication"

[markert-r]

Acceptance criteria:

• All architectural artifacts are available and have been created according to S-CORE process
  • Feature architecture
  • Component architecture

[hoe-jo]

Initial Version of Feature Architecture in S-Core:
https://github.com/eclipse-score/score/blob/main/docs/features/communication/ipc/architecture/index.rst

A restructuring of the feature architecture is performed in this PR:
#1133

Further Work is blocked by cross-repo-docs issues:
#1103

Additionally Work is being slowed down due to bug in tooling support:
#1117