Add logo to README and release package

A new logo has been added to the README file. The logo has also been included in the release package by updating the .goreleaser.yaml file. The related asset files have been managed properly with necessary hooks.

.goreleaser.yaml

@@ -10,6 +10,11 @@ before:
     - go mod tidy
     - go mod download
     - go mod verify
+    - cp assets/apg-go.ico ./logo.ico
+
+after:
+  hooks:
+    - rm ./logo.ico
 
 builds:
   - env:
@@ -72,6 +77,8 @@ nfpms:
 
 dmg:
   - replace: false
+    extra_files:
+    - logo.ico
 
 universal_binaries:
   - replace: false

README.md

@@ -13,6 +13,8 @@ SPDX-License-Identifier: CC0-1.0
 [![OpenSSF Best Practices](https://www.bestpractices.dev/projects/8677/badge)](https://www.bestpractices.dev/projects/8677)
 <a href="https://ko-fi.com/D1D24V9IX"><img src="https://uploads-ssl.webflow.com/5c14e387dab576fe667689cf/5cbed8a4ae2b88347c06c923_BuyMeACoffee_blue.png" height="20" alt="buy ma a coffee"></a>
 
+<p align="center"><img src="./assets/apg-go.svg" width="250" alt="apg-go logo"/></p>
+
 _apg-go_ is a simple APG-like password generator written in Go. It tries to replicate the
 functionality of the
 "[Automated Password Generator](https://web.archive.org/web/20130313042424/http://www.adel.nursat.kz:80/apg)",