Allow adding additional folders to asset list

[dibyanshu-pal-kushwaha]

Description

Currently the project centered on a specific file folder . This PR gives the feature like to add additional folders , files , and url as External Resources. Here we can load its content and show its content. Also this add options to remove the resources , edit, Archive .

Fixes

Fixes #35

Changes :

• app/utils/asset.js : upgraded isExternalAsset() from just checking URL to other files and folder.
• app/containers/ExternalAssetDialog/ExternalAssetDialog.js : Replaced the basic URL text box with a Type Dropdown , added browse button etc.
• app/main.dev.js : Any time an external asset is added, edited, or deleted, ensuring the background worker immediately crawls new folders.
• app/preload.js : Built a custom recursive scanning way to fetch subparts.
• AssetDetails.js : Maintained attribute for other assests.
• ProjectPage.js : for expanding the external Resource
• app/components/ReproChecklist/ChecklistItem/ChecklistItem.js : for printing native URLs etc.
• Added unit test.
• app/components/Project/Project.js : Swapped all the hardcoded url things to dynamic .

Screen Recording :

ExternalResource.1.mov

[dibyanshu-pal-kushwaha]

@lrasmus ,Please review it Sir ....