debugger support for dx (#3814)

* add vscode debugger for apps

* todo: need to disconnect when rebuilding

* update debugger

* add uri handler to remote launch the debugger

* attach

* dont panic

* fixed it - hung processes are not errors

* wip: android debugger

* clean it up a bit

* revert ios stdout/stderr

* wire up pid from ios

* use target family instead of target_arch

* fix android

* bring back softkill

* typo

packages/cli/src/serve/output.rs

@@ -1,6 +1,6 @@
 use crate::{
     serve::{ansi_buffer::AnsiStringLine, ServeUpdate, WebServer},
-    BuildStage, BuilderUpdate, Platform, TraceContent, TraceMsg, TraceSrc,
+    BuildId, BuildStage, BuilderUpdate, Platform, TraceContent, TraceMsg, TraceSrc,
 };
 use cargo_metadata::diagnostic::Diagnostic;
 use crossterm::{
@@ -245,6 +245,16 @@ impl Output {
                 self.trace = !self.trace;
                 tracing::info!("Tracing is now {}", if self.trace { "on" } else { "off" });
             }
+            KeyCode::Char('D') => {
+                return Ok(Some(ServeUpdate::OpenDebugger {
+                    id: BuildId::SERVER,
+                }));
+            }
+            KeyCode::Char('d') => {
+                return Ok(Some(ServeUpdate::OpenDebugger {
+                    id: BuildId::CLIENT,
+                }));
+            }
 
             KeyCode::Char('c') => {
                 stdout()