* Remove `darwin`-only restriction on `ollama`
Hopefully resolves https://github.com/pkgxdev/pkgx/issues/975
* add -buildmode on linux
* ollama needs certs to pull from model registry
* certs needed at runtime
* add pkill for linux
* test pgrep
* pkill needs -x for exact match
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Co-authored-by: Jacob Heider <jacob@pkgx.dev>