feat(test): add jest test suite

tsconfig.json

@@ -17,7 +17,7 @@
     "noUnusedParameters": true,
     "experimentalDecorators": true,
     "lib": ["dom", "esnext"],
-    "types": ["vite/client"],
+    "types": ["vite/client", "jest"],
     "typeRoots": ["./node_modules/@types/", "./types"],
     "noImplicitAny": false,
     "skipLibCheck": true,
@@ -27,6 +27,7 @@
     }
   },
   "include": [
+    "tests/**/*.ts",
     "src/**/*.ts",
     "src/**/*.d.ts",
     "src/**/*.tsx",