Add extracted source directory and README navigation

extracted-source/node_modules/ajv/dist/runtime/equal.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+// https://github.com/ajv-validator/ajv/issues/889
+const equal = require("fast-deep-equal");
+equal.code = 'require("ajv/dist/runtime/equal").default';
+exports.default = equal;
+//# sourceMappingURL=equal.js.map

extracted-source/node_modules/ajv/dist/runtime/ucs2length.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+// https://mathiasbynens.be/notes/javascript-encoding
+// https://github.com/bestiejs/punycode.js - punycode.ucs2.decode
+function ucs2length(str) {
+    const len = str.length;
+    let length = 0;
+    let pos = 0;
+    let value;
+    while (pos < len) {
+        length++;
+        value = str.charCodeAt(pos++);
+        if (value >= 0xd800 && value <= 0xdbff && pos < len) {
+            // high surrogate, and there is a next character
+            value = str.charCodeAt(pos);
+            if ((value & 0xfc00) === 0xdc00)
+                pos++; // low surrogate
+        }
+    }
+    return length;
+}
+exports.default = ucs2length;
+ucs2length.code = 'require("ajv/dist/runtime/ucs2length").default';
+//# sourceMappingURL=ucs2length.js.map

extracted-source/node_modules/ajv/dist/runtime/uri.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const uri = require("fast-uri");
+uri.code = 'require("ajv/dist/runtime/uri").default';
+exports.default = uri;
+//# sourceMappingURL=uri.js.map

extracted-source/node_modules/ajv/dist/runtime/validation_error.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+class ValidationError extends Error {
+    constructor(errors) {
+        super("validation failed");
+        this.errors = errors;
+        this.ajv = this.validation = true;
+    }
+}
+exports.default = ValidationError;
+//# sourceMappingURL=validation_error.js.map