[package.json] upgraded packages [Header] Added link to search [Forms] Added toasts to API calls [Sources] Added new createdAd and creator columns [Fields][Sources] Added loader to OnSave button

Corrected obligation_or_condition field name during standard import

See merge request !18

[Fields] Corrected obligation_or_condition field name during standard import ; improved fields table styling

Merge develop into master

See merge request !15

Authentication and major rewriting

See merge request !14

Added error toasts display on requests handling (delete and process)

See merge request !12

Merge Develop into master

Closes #27, #24, and #21

See merge request !11

Merge branch 'develop' into 'master'

See merge request !10

Merge develop into master

Closes #30, #32, and #37

See merge request !9

Resolve "Rename page title in browser tab"

See merge request !8

Resolve "Clean JS code"

See merge request !4