docs: generate gitea wiki pages + publish script

add wiki/ markdown pages (Home, Sidebar, architecture, transport, developer, usage)

add scripts/publish_gitea_wiki.sh to sync wiki repo

fix: serialize aggregate env-setting tests to avoid parallel env var races

wiki/Home.md

@@ -0,0 +1,15 @@
+# Cloudlysis Wiki
+
+This wiki is generated from the repository `docs/` directory.
+
+## Start Here
+- Architecture Overview: [[Architecture-Overview]]
+- Transport Contracts: [[Transport-Contracts]]
+- Developer Setup: [[Developer-Setup]]
+- Testing: [[Testing]]
+- Quick Start: [[Quick-Start]]
+- API Examples: [[API-Examples]]
+- NATS Reference: [[NATS-Reference]]
+
+## Repos
+- Source: https://git.madapes.com/madapes/cloudlysis