Initial scaffold: Nakama backend, Godot client, content schema

Sets up the Step 1 (Project Foundation) and Step 2 (Content Schemas) scaffold
from the implementation sequence. Includes Docker Compose stack, Nakama
TypeScript module stubs, PostgreSQL migration, Godot 4 project shell with
scene stubs and NakamaClient singleton, YAML content schemas for all entity
types, and example data for 3 characters, 2 jobs, and all 7 core resources.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

nakama/tsconfig.json

@@ -0,0 +1,16 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "lib": ["es6"],
+    "strict": true,
+    "noImplicitAny": true,
+    "noImplicitReturns": true,
+    "outDir": "./modules",
+    "rootDir": "./modules",
+    "moduleResolution": "node",
+    "esModuleInterop": true,
+    "skipLibCheck": true
+  },
+  "include": ["modules/**/*.ts"],
+  "exclude": ["node_modules"]
+}