Wow, how clever! What an amazing thing to do!
Good for you! I started a plant database last year, but I haven't worked on it in months, after the discouragement of last summer. (Ironically, that down time would have been ideal to really get it going. Oh, well.) You're inspiring me to get back to it.
Looks good. Just make sure you back it up. When my external hard drive bit the dust in June I lost my entire garden catalog. It has been the biggest loss of all that was on that hard drive. Irreplaceable.
Nice job. I decided to create maps with (penciled) numbered locations and matching numbered information below. I have a mini-version (spiral index cards) that I carry with me outdoors when I make additions, changes, and/or note "deletions." Congratulations on your start - it's whatever works!
This is a very impressive beginning.
Very organise. We use excel as well to keep record of seeds that we have.