Installation Tutorial - DBContainerEntry
Installation:

• Download and install AnvilToolkit.
• Set up Anvil Toolkit, disable the use of compression in Settings->Files and set compression ratio to 0.
• Unpack DataPC_patch_01.forge
• Open Extracted folder in your GRB directory and open the DataPC_patch_01.forge folder.
• Unpack 1_-_DBContainerEntry_0X....... (should be near the top). This may take a few minutes, its a big file
• Copy the loose files from the mod download into the new unpacked DBContainerEntry folder. If you want a backup, look for the identically named files that are already in there (the numbers in front are a good way to search) and save them elsewhere.
• Select the DBContainer folder in AnvilToolkit, right-click, and select "Repack" - you should see the message (This may take a few minutes. Be patient) 
  
  Finished repacking data file | Successful: 01 | Failed: 0

• Head back up to the top-level Extracted folder in AnvilToolkit and click on DataPC_patch_01.forge
• Right-click the folder, and select "Repack" - you should see the message
  Successfully written forge file!
• After it's done repacking, launcher the game
• Profit