feature: Built-in Profiler for Performance Analysis

[dcrawl]

I'd like to request a built-in profiler for Mini Micro to help analyze and optimize performance, especially as projects grow in complexity.

Here are some suggested features that would make the profiler especially valuable:

• Function-Level Timing: Track execution time per function or script block, including call count and average time.
• Call Graph Visualization: Show which functions call which others, with timing data to identify bottlenecks.
• Frame Time Breakdown: Display how much time is spent per frame in scripting, rendering (text, pixel, sprite, color layers), input, and audio.
• Memory Usage Tracking: Monitor memory allocation and garbage collection events.
• Layer-Specific Performance: Provide timing data for each display layer, useful for engines supporting multiple layers.
• Script Hotspots: Highlight lines or blocks of code that consume the most CPU time.
• Real-Time & Historical Views: Option to view profiler data live and save sessions for later review.
• Custom Profiling Tags: Allow developers to insert markers in code to measure specific sections.
• Debugger Integration: Show profiler data alongside breakpoints and variable watches.
• Minimal Overhead Mode: Lightweight profiling for performance-critical testing.

I know it's a huge ask. I’ll leave what you think is doable up to you. Thanks for considering this — I think it would be a fantastic addition to Mini Micro!