Vscode launch scripts (#1117)

* Stop ignoring .vscode (launch scripts)

* Check in launch scripts for config and run

This can cause an issue with existing launch configuration on the machines of contributors.

* Improve error msg when runner is not configured

* Unignore .vscode/launch and tasks only

* Remove stopAtEntry and add eof newline

* Remove Runner.Listener from error message

* Rename tasks and run configs

* Ignore BuildConstants.cs

* Use better error msg

* Explain development steps in depth

* Add launch config to directly debug worker

* Update docs with VS Code tips

* Remove auto-generated comments

* Fix link to quickstart in vscode.md

* Remove ':' from link to quickstart

* Revert "Ignore BuildConstants.cs"

This reverts commit 0f13922a87.

* Replace `.sh` with  `.(sh/cmd)` in docs

.gitignore

@@ -8,10 +8,12 @@
 **/*.xproj
 **/*.xproj.user
 **/.vs
-**/.vscode
 **/*.error
 **/*.json.pretty
 .idea/
+.vscode
+!.vscode/launch.json
+!.vscode/tasks.json
 
 # output
 node_modules