Database initialisation function using RXdb

[JasonWarrenUK]

What type of PR is this? (check all applicable)

• Refactor
• Feature
• Bug Fix
• Optimization
• Documentation Update

Description

• Installed rxdb and rxjs packages in package.json
• Created rxdb.ts with database initialisation function
• Merge with main pwa pull request

Screenshots

Please replace this line with any relevant images for UI changes.

UI accessibility checklist

If your PR includes UI changes, please utilize this checklist:

• Semantic HTML implemented?
• Checked with axe DevTools and addressed Critical and Serious issues?
• Color contrast tested?

Added/updated tests?

Please aim to keep the code coverage percentage at 80% and above.

• Yes
• No, and this is why: tested locally on index page that database can initialise, test shall be written once there is an implementation
• I need help with writing tests

What gif best describes this PR or how it makes you feel?

[jackcasstlesjones]

pls see comments

Tick the correct box in the what type of change is this section, add a gif and I can approve

[JasonWarrenUK]

does this script still apply? I thought that node can't run the db as it needs to run in the client?

@maxitect can you respond to Jack's comments? You made the most recent changes and I don't wana get it wrong