Add JWT authorization

src/main/java/com/faf223/expensetrackerfaf/controller/auth/AuthenticationController.java

@@ -0,0 +1,26 @@
+package com.faf223.expensetrackerfaf.controller.auth;
+
+import com.faf223.expensetrackerfaf.service.AuthenticationService;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("api/v1/auth")
+public class AuthenticationController {
+
+    private final AuthenticationService service;
+
+    public AuthenticationController(AuthenticationService service) {
+        this.service = service;
+    }
+
+    @PostMapping("/register")
+    public ResponseEntity<AuthenticationResponse> register(@RequestBody RegisterRequest request) {
+        return ResponseEntity.ok(service.register(request));
+    }
+
+    @PostMapping("/authenticate")
+    public ResponseEntity<AuthenticationResponse> register(@RequestBody AuthenticationRequest request) {
+        return ResponseEntity.ok(service.authenticate(request));
+    }
+}