14 standardize and clean api and fix bruno configuration (#25)

* ADD JWT authentication support with token generation and validation

* ADD JWT handling after successful login

* ADD user authentication and standardize user retrieval

* COMBINE token dtos

* ADD JWT authentication filter

* IMPROVE token handling

* STANDARDIZE API endpoints and improve JWT handling

* REMOVE extra logging

* REMOVE redundant job existence checks

* UPDATE Bruno Google token

* REFACTOR some classes

* ADD JWT cookie check

* ADD AuthProvider and CORS configuration; UPDATE API endpoints for consistency

* ADD JWT validation check;

* ADD profile picture to database

* ADD reload after login to update page

* PATCH login issue

* REMOVE unused classes

* ADJUST logging in JwtFilter

* REMOVE unused React component

src/main/resources/db/schema.sql

@@ -7,6 +7,7 @@ CREATE TABLE IF NOT EXISTS users (
     username VARCHAR(50) NOT NULL UNIQUE,
     email VARCHAR(100) NOT NULL UNIQUE,
     name VARCHAR(100) NOT NULL,
+    profile_picture_url VARCHAR(255),
     role INTEGER DEFAULT 0,
     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
     );