First part of the action comment refactoring

ref #39
Why did i volunteer for this? It's just a glorified sleeping aid 😴

src/models/actions/HandleLogout.ts

@@ -6,11 +6,23 @@ import { IllegalJWTError, JwtNotProvidedError, RefreshTokenCountInvalidError, Us
 import { User } from '../entities/User';
 import { Logout } from '../responses/ResponseLogout';
 
+/**
+ * This class handels a user logging out of the system.
+ * Of course it check's the user's provided credential (token) before logging him out.
+ */
 export class HandleLogout {
+    /**
+     * A stringyfied jwt access token.
+     * Will get checked for validity.
+     */
     @IsString()
     @IsOptional()
     token?: string;
 
+    /**
+     * Logs the user out.
+     * This gets achived by increasing the user's refresh token count, thereby invalidateing all currently existing jwts for that user.
+     */
     public async logout(): Promise<Logout> {
         let logout: Logout = new Logout();
         if (!this.token || this.token === undefined) {