move channel/stream helpers to pbs-tools

pbs_tools
  ::blocking: std/async wrapping with block_in_place
  ::stream: stream <-> AsyncRead/AsyncWrite wrapping

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>

pbs-tools/Cargo.toml

@@ -32,6 +32,7 @@ walkdir = "2"
 proxmox = { version = "0.11.5", default-features = false, features = [ "tokio" ] }
 
 pbs-buildcfg = { path = "../pbs-buildcfg" }
+pbs-runtime = { path = "../pbs-runtime" }
 
 [dev-dependencies]
 tokio = { version = "1.6", features = [ "macros" ] }