chore: generate sdk into packages/sdk

packages/sdk/tsconfig.dist-src.json

@@ -0,0 +1,11 @@
+{
+  // this config is included in the published src directory to prevent TS errors
+  // from appearing when users go to source, and VSCode opens the source .ts file
+  // via declaration maps
+  "include": ["index.ts"],
+  "compilerOptions": {
+    "target": "ES2015",
+    "lib": ["DOM", "DOM.Iterable", "ES2018"],
+    "moduleResolution": "node"
+  }
+}