Change container name from cnc to cnoc to avoid nginx container conflict

- Update Gitea pipeline to build cnoc:node18, cnoc:node20, cnoc:node22
- Update local-dev.sh to use cnoc container from registry
- Update documentation references from CNC to CNOC
- Update default app package name to cnoc-default-app
- Avoid conflict with existing nginx container (cnc)

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

README.md

@@ -56,7 +56,7 @@ mkdir -p local-development/domain.tld
 cd local-development/domain.tld
 mkdir user
 mkdir -p user/{app,logs/{nginx,nodejs}}
-docker run -d -p 80:80 -p 443:443 -e NODEVER=20 -e environment=DEV --mount type=bind,source="$(pwd)"/user,target=/home/$(whoami) -e uid=$(id -u) -e user=$(whoami) -e domain=localhost --name local-dev cloud-node-container:latest
+docker run -d -p 80:80 -p 443:443 -e NODEVER=20 -e environment=DEV --mount type=bind,source="$(pwd)"/user,target=/home/$(whoami) -e uid=$(id -u) -e user=$(whoami) -e domain=localhost --name local-dev repo.anhonesthost.net/cloud-hosting-platform/cnoc:latest
 ```
 
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