Initial commit: Developer Tools MVP with visual editor

- Complete React app with 7 developer tools
- JSON Tool with visual structured editor
- Serialize Tool with visual structured editor
- URL, Base64, CSV/JSON, Beautifier, Diff tools
- Responsive navigation with dropdown menu
- Dark/light mode toggle
- Mobile-responsive design with sticky header
- All tools working with copy/paste functionality

node_modules/fork-ts-checker-webpack-plugin/lib/issue/IssueWebpackError.js

@@ -0,0 +1,26 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const path_1 = require("path");
+const IssueLocation_1 = require("./IssueLocation");
+const forwardSlash_1 = __importDefault(require("../utils/path/forwardSlash"));
+class IssueWebpackError extends Error {
+    constructor(message, issue) {
+        super(message);
+        this.issue = issue;
+        this.hideStack = true;
+        // to display issue location using `loc` property, webpack requires `error.module` which
+        // should be a NormalModule instance.
+        // to avoid such a dependency, we do a workaround - error.file will contain formatted location instead
+        if (issue.file) {
+            this.file = forwardSlash_1.default(path_1.relative(process.cwd(), issue.file));
+            if (issue.location) {
+                this.file += `:${IssueLocation_1.formatIssueLocation(issue.location)}`;
+            }
+        }
+        Error.captureStackTrace(this, this.constructor);
+    }
+}
+exports.IssueWebpackError = IssueWebpackError;