* exit policy types
* simple client for grabbing the policy
* moved allowed_hosts to a submodule
* started integrating exit policy into a NR
* ability to construct ExitPolicyRequestFilter
* fixed policy parsing to look for comment char from the left
* conditionally setting up request filter
* [wip] setting up correct url for exit policy upstream
* clap flags for running with exit policy
* fixed NR template
* updated NR config template
* making sure to perform request filtering in separate task
* initial, placeholder, exit policy API endpoint
* serving exit policy from an embedded NR
* double slash sanitization
* socks5 query for exit policy
* adjusted address policy logging
* cargo fmt
* Updated exit policy url to point to the correct mainnet file
* removed unecessary mutability in filter tests
* fixed the code block showing example policy being interpreted as doc test