feat: asset canister allows configuring fallback file and status#4515

viviveevee wants to merge 4 commits intomasterdfinity/sdk:masterfrom

SDK-2633-customizable-fallback-for-404-status-codes-in-the-asset-canisterdfinity/sdk:SDK-2633-customizable-fallback-for-404-status-codes-in-the-asset-canisterCopy head branch name to clipboard