feat(grpc): Add gRPC routing and service support (#32)

chore(deps): Add Helidon SLF4J logging dependency

docs(sse): Document stream! Closeable return

docs(README): Format SSE example map for readability

docs(readme): Clarify SSE stream usage and Brotli behavior

refactor(sse): Return Closeable Stream from stream

feat(sse): Allow custom HTTP status in stream

fix(response): Do nothing when response is nil

fix(http/response): Set response only when no bytes written

fix(http): Fix response handling to ignore empty responses

Initial SSE support (#31)

refactor(response): Unify body writing into single function

chore(version): Remove VERSION file

chore(build): Add build.clj and switch deps.edn to tools.build

Version 0.1.45-SNAPSHOT