Add user GET endpoint, schemas, and security middlewares

Introduces GET /users/:id endpoint with validation schema, adds tests for user and register routes, and applies security middlewares (helmet, hpp, cors) to the server. Also adds ESLint configuration and updates logger with linting comments.

modules/logger.js

@@ -33,11 +33,13 @@ function write($stream, level, color, content, extraLabels = []) {
         }
     }
 
+    // eslint-disable-next-line no-console
     console.log(`[${date}] `.magenta + `[${level}]`[color] + consoleLabels + " " + message)
     $stream.write(`[${date}] [${level}]${fileLabels} ${stripColors(message)}\n`)
 }
 
 function createLogger(root) {
+    // eslint-disable-next-line no-useless-escape
     const fileName = (/false/).test(process.env.IS_PROD.toLowerCase()) ? new Date().toLocaleString("fr-FR", { timeZone: "UTC" }).replace(/[\/:]/g, "-").replace(/ /g, "_") : "DEV-LOG"
 
     const logsDir = path.join(root, "logs")
@@ -77,6 +79,7 @@ function stripColors(string) {
     if (!string || typeof string !== "string") {
         return string
     }
+    // eslint-disable-next-line no-control-regex
     return string.replace(/\x1B\[[0-9;]*[mK]/g, "")
 }