Add node modules and compiled JavaScript from main

node_modules/jest-validate/node_modules/camelcase/index.d.ts

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+declare namespace camelcase {
+	interface Options {
+		/**
+		Uppercase the first character: `foo-bar` → `FooBar`.
+
+		@default false
+		*/
+		readonly pascalCase?: boolean;
+	}
+}
+
+/**
+Convert a dash/dot/underscore/space separated string to camelCase or PascalCase: `foo-bar` → `fooBar`.
+
+Correctly handles Unicode strings.
+
+@param input - String to convert to camel case.
+
+@example
+```
+import camelCase = require('camelcase');
+
+camelCase('foo-bar');
+//=> 'fooBar'
+
+camelCase('foo_bar');
+//=> 'fooBar'
+
+camelCase('Foo-Bar');
+//=> 'fooBar'
+
+camelCase('розовый_пушистый_единороги');
+//=> 'розовыйПушистыйЕдинороги'
+
+camelCase('Foo-Bar', {pascalCase: true});
+//=> 'FooBar'
+
+camelCase('--foo.bar', {pascalCase: false});
+//=> 'fooBar'
+
+camelCase('foo bar');
+//=> 'fooBar'
+
+console.log(process.argv[3]);
+//=> '--foo-bar'
+camelCase(process.argv[3]);
+//=> 'fooBar'
+
+camelCase(['foo', 'bar']);
+//=> 'fooBar'
+
+camelCase(['__foo__', '--bar'], {pascalCase: true});
+//=> 'FooBar'
+```
+*/
+declare function camelcase(
+	input: string | readonly string[],
+	options?: camelcase.Options
+): string;
+
+export = camelcase;