Add the ability to edit remote directories over SSH (#14530)

This is a first step towards allowing you to edit remote projects
directly over SSH. We'll start with a pretty bare-bones feature set, and
incrementally add further features.

### Todo

Distribution
* [x] Build nightly releases of `zed-remote-server` binaries
    * [x] linux (arm + x86)
    * [x] mac (arm + x86)
* [x] Build stable + preview releases of `zed-remote-server`
* [x] download and cache remote server binaries as needed when opening
ssh project
* [x] ensure server has the latest version of the binary


Auth
* [x] allow specifying password at the command line
* [x] auth via ssh keys
* [x] UI password prompt

Features
* [x] upload remote server binary to server automatically
* [x] opening directories
* [x] tracking file system updates
* [x] opening, editing, saving buffers
* [ ] file operations (rename, delete, create)
* [ ] git diffs
* [ ] project search

Release Notes:

- N/A

---------

Co-authored-by: Piotr Osiewicz <24362066+osiewicz@users.noreply.github.com>

Cargo.lock

@@ -984,6 +984,7 @@ dependencies = [
  "log",
  "markdown_preview",
  "menu",
+ "paths",
  "release_channel",
  "schemars",
  "serde",
@@ -2526,6 +2527,8 @@ dependencies = [
  "rand 0.8.5",
  "recent_projects",
  "release_channel",
+ "remote",
+ "remote_server",
  "reqwest",
  "rpc",
  "rustc-demangle",
@@ -8076,6 +8079,7 @@ dependencies = [
  "rand 0.8.5",
  "regex",
  "release_channel",
+ "remote",
  "rpc",
  "schemars",
  "serde",
@@ -8673,6 +8677,50 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "remote"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "collections",
+ "fs",
+ "futures 0.3.28",
+ "gpui",
+ "log",
+ "parking_lot",
+ "prost",
+ "rpc",
+ "smol",
+ "tempfile",
+ "util",
+]
+
+[[package]]
+name = "remote_server"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "cargo_toml",
+ "client",
+ "clock",
+ "env_logger",
+ "fs",
+ "futures 0.3.28",
+ "gpui",
+ "http 0.1.0",
+ "language",
+ "log",
+ "node_runtime",
+ "project",
+ "remote",
+ "rpc",
+ "serde_json",
+ "settings",
+ "smol",
+ "toml 0.8.10",
+ "worktree",
+]
+
 [[package]]
 name = "rend"
 version = "0.4.0"
@@ -13700,6 +13748,7 @@ dependencies = [
  "quick_action_bar",
  "recent_projects",
  "release_channel",
+ "remote",
  "repl",
  "rope",
  "search",
@@ -13720,6 +13769,7 @@ dependencies = [
  "tree-sitter-markdown",
  "tree-sitter-rust",
  "ui",
+ "url",
  "urlencoding",
  "util",
  "uuid",