NXTP v0.1.18

What's Changed

• Fix logs by @LayneHaber in #756
• [DNM] [router][sdk] Subgraph endpoint by @jakekidd in #731
• Latest alpine by @rhlsthrm in #762
• [utils] Hotfix: add missing forward slash to subgraph endpoint url formation by @jakekidd in #763
• Update fee metrics by @wanglonghong in #765

Full Changelog: v0.1.17...v0.1.18