Add ADS Windows support extension with LaunchSsmsDialog command (#4248)

* ADS Windows support extension with LaunchSsmsDialog command

* Update readme

* Fix spacing

* Update download with new file location and name

* Update SsmsMin package with bits from latest RC build and addressed some comments.

* Update extension name. Add Context menu extension for launching server properties dialog. Remove params interface from public API

* Rename folder and update README

* Correct README title

* Fix a few issues and clean up some stuff.

* Update to azdata namespace

* Refactor to use async/await and add some more telemetry

* Add .bat for running extension tests (currently only Notebook) and set up launch.json with 2 new launch configs for running & debugging extension tests.

* Rename files to make it clear these aren't the integration tests

* Update launch.config too

* Fix spacing and missed file name update

* Fix some bugs in buildSsmsMinCommandArgs and add unit tests

extensions/admin-tool-ext-win/tsconfig.json

@@ -0,0 +1,22 @@
+{
+    "compileOnSave": true,
+    "compilerOptions": {
+        "module": "commonjs",
+        "target": "es6",
+        "outDir": "./out",
+        "lib": [
+            "es6", "es2015.promise"
+        ],
+        "typeRoots": [
+            "./node_modules/@types"
+        ],
+        "sourceMap": true,
+        "emitDecoratorMetadata": true,
+        "experimentalDecorators": true,
+        "moduleResolution": "node",
+        "declaration": true
+    },
+    "exclude": [
+        "node_modules"
+    ]
+}