Initialisation

Added the packages and files for the backend server

node_modules/@protobufjs/base64/index.d.ts

@@ -0,0 +1,32 @@
+/**
+ * Calculates the byte length of a base64 encoded string.
+ * @param {string} string Base64 encoded string
+ * @returns {number} Byte length
+ */
+export function length(string: string): number;
+
+/**
+ * Encodes a buffer to a base64 encoded string.
+ * @param {Uint8Array} buffer Source buffer
+ * @param {number} start Source start
+ * @param {number} end Source end
+ * @returns {string} Base64 encoded string
+ */
+export function encode(buffer: Uint8Array, start: number, end: number): string;
+
+/**
+ * Decodes a base64 encoded string to a buffer.
+ * @param {string} string Source string
+ * @param {Uint8Array} buffer Destination buffer
+ * @param {number} offset Destination offset
+ * @returns {number} Number of bytes written
+ * @throws {Error} If encoding is invalid
+ */
+export function decode(string: string, buffer: Uint8Array, offset: number): number;
+
+/**
+ * Tests if the specified string appears to be base64 encoded.
+ * @param {string} string String to test
+ * @returns {boolean} `true` if it appears to be base64 encoded, otherwise false
+ */
+export function test(string: string): boolean;