[minor]

Policy support (#105)

* docs: document policies

* implement policies for CWA

abi/cwa: expose HTTP Client

[minor]

[minor]

CWA: add runtime_exit call (#97)

* docs/cwa-spec/ns/runtime: add runtime_exit

* abi/cwa: add runtime_exit call

* zig: test runtime_exit

fix spacing

abi/cwa: expose logger

export olin symbols (#95)

* export olin symbols

* fix