Merge branch 'wip/macos-xpc'

* wip/macos-xpc: (23 commits)
  auth: try switching to platform agnostic auth store
  daemon: fix crash when misconfigured
  xpc: better file descriptor handling
  xpc: adds OpenAttachmentFd
  xpc: full attachment data
  sync policy: only ignore empty bodies if there are no attachments
  xpc: include attachment guids
  cargo fmt
  xpc: Some cleanup
  xpc: refactor -- separate rpc impl and xpc glue
  xpc: refactor, less chatty logging
  xpc: Use reply port when replying to RPC messages
  cargo fmt
  xpc: implement signals
  xpc: implement rest of methods in kpcli except signals.
  cargo fmt
  xpc: Better type unpacking
  xpc: implement GetConversations
  xpc: kpcli: clean up client interface
  xpc: generic interface for dispatching methods
  ...

kordophoned/include/net.buzzert.kordophonecd.plist

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>Label</key>
+  <string>net.buzzert.kordophonecd</string>
+
+  <key>ProgramArguments</key>
+  <array>
+      <string>/Users/buzzert/src/kordophone/kordophone-rs/target/debug/kordophoned</string>
+  </array>
+
+  <key>EnvironmentVariables</key>
+  <dict>
+    <key>RUST_LOG</key>
+    <string>info</string>
+  </dict>
+
+  <key>MachServices</key>
+  <dict>
+    <key>net.buzzert.kordophonecd</key>
+    <true/>
+  </dict>
+
+  <key>RunAtLoad</key>
+  <true/>
+  <key>KeepAlive</key>
+  <true/>
+
+  <key>StandardOutPath</key>
+  <string>/tmp/kordophoned.out.log</string>
+  <key>StandardErrorPath</key>
+  <string>/tmp/kordophoned.err.log</string>
+</dict>
+</plist>