TypeScript definitions (#18)

tsconfig.json

@@ -0,0 +1,25 @@
+{
+    "compilerOptions": {
+        "module": "es2020",
+        "target": "es2020",
+        "lib": ["dom", "es2020"],
+        "esModuleInterop": true,
+        "moduleResolution": "node",
+        "allowSyntheticDefaultImports": true,
+        "declaration": true,
+        "strict": true,
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "./",
+        "typeRoots": ["."],
+        "types": ["node"],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "t/nostr-tools-tests.ts"
+    ]
+}