Gary add materials page

[GaryB93]

Description

This pull request adds the backend logic for the Purchase Request: Material form in the BM Dashboard (Phase 2).

Related PRS (if any):

This PR must be checked out to test #1427 frontend PR

Main changes explained:

• Add BM Dashboard collections to dev database: buildingInventoryTypes, buildingMaterials
• Add Mongoose schema files buildingInventoryType, buildingMaterial
• Add GET route to return item type data
• Add POST route to either create a new document in buildingMaterials collection (if the material is being ordered to the project for the first time), or update purchase record sub-document in an existing document (if the material has been ordered previously for the project). In either case, the purchaseRecord sub-document will have default values added to date, requestedBy and status fields, in addition to the submitted form data.

How to test:

1. git checkout gary_add_materials_page
2. npm install
3. npm run dev
4. check the related frontend PR for further instructions
5. Optional: connect to the dev db via Mongo Compass, open the buildingMaterials collection, and observe that documents and sub-documents are being updated correctly.

Notes

• Please remember to either Approve or Request Changes. Do not just leave a comment.
• Please leave a review for BOTH front and backend branches after you have finished testing!
• Gary began work on this branch and has since left the project. The branch and pull request are currently being managed by Tim.

[Cavein254]

This pr works as expected check #1427 for testing details

[cvtqx]

Works as described, left my review in the front end PR. Great job!

[Changhao3220K]

Hi @GaryB93
I left the review for BE in the FE part, these features works well. Thank you for the nice work!

[Aishwaryak01]

The code looks good to me! Great job @tdkent! Also tested FE part and it works as expected!