feat(cli): add optional human-readable scan output

[HEETMEHTA18]

Problem
Bumblebee currently emits NDJSON only, which is great for automation but hard to read during manual scans. When running bumblebee scan interactively, it would be useful to have a prettier terminal view for summaries and findings.

Proposed change
Add an optional human-readable output mode for the CLI that keeps the default NDJSON behavior unchanged.
The first version can focus on:

• colorized severity/status text in terminal output
• a clearer end-of-scan summary
• a compact table view for findings or summary counts
• better error messages for common CLI failures

Important constraints

• Do not change the default stdout NDJSON format
• Keep existing scan_summary and JSON record output intact for automation
• Prefer a minimal implementation and avoid adding runtime dependencies unless maintainers want them
• Add or update tests for the new formatting/flag behavior

Acceptance criteria

• Default bumblebee scan behavior is unchanged
• Users can opt into human-readable output
• Summary output is easier to read in a terminal
• Tests cover the new mode and preserve existing behavior

[sokol-matija]

I would love to see this this is the first thing i have tough about after using the tool

[HEETMEHTA18]

@sokol-matija, I have added the PR of this issue, which is pretty much almost solved, and now the report shown is in proper format. do check it out.