Weapon start

Started working on weapons.

+ added USP weapon
    - added materials
+ added Weapon.cs script
    - Implemented shooting
+ added WeaponSwitch.cs script
+ added WeaponHolder
+ added particles (muzzleflash, muzzlesmoke)
+ added additional camera for weapon clipping

Assets/Scripts/Weapons/Weapon.cs

@@ -0,0 +1,50 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Weapon : MonoBehaviour
+{
+    [SerializeField] bool active = false;
+    [SerializeField] float damage = 0;
+    [SerializeField] int firerate = 0;
+    [SerializeField] float recoilStrength = 0;
+    [SerializeField] int currentAmmunition = 0;
+    [SerializeField] int totalAmmunition = 0;
+    [SerializeField] ParticleSystem flash;
+    [SerializeField] ParticleSystem smoke;
+    [SerializeField] GameObject bulletExit;
+    [SerializeField] GameObject camera;
+
+    public bool Active { get => active; set => active = value; }
+
+    private void Start()
+    {
+        if (Physics.Raycast(camera.transform.position, camera.transform.forward, out RaycastHit hit))
+        {
+            transform.rotation = Quaternion.Euler(0f, hit.point.y, 0f);
+        }
+    }
+    private void FixedUpdate()
+    {
+        if (Input.GetButton("Fire1"))
+        {
+            fire();
+        }
+    }
+    private void fire()
+    {
+        flash.Play();
+        smoke.Play();
+        RaycastHit hit; 
+        
+        if(Physics.Raycast(bulletExit.transform.position,bulletExit.transform.forward, out hit))
+        {
+            Debug.DrawLine(bulletExit.transform.position, hit.point);
+            /*if(hit.rigidbody != null)
+            {
+                hit.rigidbody.AddForce(hit.normal * 80);
+            }
+            Instantiate(bulletImpact, hit.point, Quaternion.LookRotation(hit.normal));*/
+        }
+    }
+}