Resolve linter issues, add unit tests, adjust test coverage

qr-web/tsconfig.json

@@ -11,11 +11,23 @@
         "moduleResolution": "bundler",
         "resolveJsonModule": true,
         "isolatedModules": true,
-        "jsx": "preserve",
+        "jsx": "react-jsx",
         "incremental": true,
-        "plugins": [{ "name": "next" }],
-        "paths": { "@/*": ["./src/*"] }
+        "plugins": [
+            {
+                "name": "next"
+            }
+        ],
+        "paths": {
+            "@/*": ["./src/*"]
+        }
     },
-    "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
+    "include": [
+        "next-env.d.ts",
+        "**/*.ts",
+        "**/*.tsx",
+        ".next/types/**/*.ts",
+        ".next/dev/types/**/*.ts"
+    ],
     "exclude": ["node_modules"]
 }