update deps and bootstrap loom

platform/loom/editor/svelte-tsconfig.json

@@ -0,0 +1,24 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "_version": "5.0.0",
+
+  "compilerOptions": {
+    "module": "esnext",
+    "moduleResolution": "bundler",
+    "target": "es2017",
+    /**
+      Svelte Preprocess cannot figure out whether you have a value or a type, so tell TypeScript
+      to enforce using `import type` instead of `import` for Types.
+     */
+    "verbatimModuleSyntax": true,
+    /**
+      To have warnings/errors of the Svelte compiler at the correct position,
+      enable source maps by default.
+     */
+    "sourceMap": true,
+
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true
+  }
+}