fix(node): overall improvements

[TorstenDittmann]

• add typescript definitions
• add parameter checks

Typescript definition file example: https://gist.github.com/TorstenDittmann/61a1c1fc4fd7f82b823c092a473ebdae

before:

    /**
     * Update Document
     *
     * Update a document by its unique ID. Using the patch method you can pass
     * only specific fields that will get updated.
     *
     * @param string collectionId
     * @param string documentId
     * @param object data
     * @param string[] read
     * @param string[] write
     * @throws Exception
     * @return {}
     */
    async updateDocument(collectionId, documentId, data, read = [], write = []) {
        let path = '/database/collections/{collectionId}/documents/{documentId}'.replace(new RegExp('{collectionId}', 'g'), collectionId).replace(new RegExp('{documentId}', 'g'), documentId);
        
        return await this.client.call('patch', path, {
                    'content-type': 'application/json',
               },
               {
                'data': data,
                'read': read,
                'write': write
            });
    }

after:

    /**
     * Update Document
     *
     * Update a document by its unique ID. Using the patch method you can pass
     * only specific fields that will get updated.
     *
     * @param {string} collectionId
     * @param {string} documentId
     * @param {object} data
     * @param {string[]} read
     * @param {string[]} write
     * @throws {AppwriteException}
     * @returns {Promise}
     */
    async updateDocument(collectionId, documentId, data, read, write) {
        if (typeof collectionId === undefined) {
            throw new AppwriteException('Missing required parameter: "collectionId"');
        }

        if (typeof documentId === undefined) {
            throw new AppwriteException('Missing required parameter: "documentId"');
        }

        if (typeof data === undefined) {
            throw new AppwriteException('Missing required parameter: "data"');
        }

        let path = '/database/collections/{collectionId}/documents/{documentId}'.replace('{collectionId}', collectionId).replace('{documentId}', documentId);
        let payload = {};

        if (typeof data !== undefined) {
            payload['data'] = data;
        }

        if (typeof read !== undefined) {
            payload['read'] = read;
        }

        if (typeof write !== undefined) {
            payload['write'] = write;
        }

        return await this.client.call('patch', path, {
            'content-type': 'application/json',
        }, payload);
    }