Refactor and update various components in LAB2 design

- Updated node connections in lab_2.bda and pak_depak.bda to correct source and target references.
- Modified pak_depak_wrapper.vhd to reflect the correct timestamp.
- Rearranged the order of components in pak_depak.bd for clarity and consistency.
- Adjusted BRAM writer logic in bram_writer.vhd for improved data handling and comments for clarity.
- Enhanced depacketizer.vhd with additional comments and logic adjustments for better data reception.
- Refined divider_by_3.vhd to optimize division calculations and improve clarity in comments.
- Improved img_conv.vhd with better state management and comments for the convolution process.
- Updated led_blinker.vhd to enhance readability and maintainability with clearer comments.
- Enhanced packetizer.vhd to improve data handling and added comments for better understanding.
- Adjusted rgb2gray.vhd to include standard library comments for consistency.
- Updated test.py to improve image processing logic and added visualization for differences.
- Added new binary files for test_nopath.exe and archived project files for lab2 and pak_depak.
- Updated Vivado project files to ensure correct paths and settings for synthesis and implementation.

LAB2/design/pak_depak/hdl/pak_depak_wrapper.vhd

@@ -1,7 +1,7 @@
 --Copyright 1986-2020 Xilinx, Inc. All Rights Reserved.
 ----------------------------------------------------------------------------------
 --Tool Version: Vivado v.2020.2 (win64) Build 3064766 Wed Nov 18 09:12:45 MST 2020
---Date        : Thu Apr 24 15:46:08 2025
+--Date        : Thu Apr 24 19:38:15 2025
 --Host        : DavideASUS running 64-bit major release  (build 9200)
 --Command     : generate_target pak_depak_wrapper.bd
 --Design      : pak_depak_wrapper