Add interactive virtual physics & chemistry lab simulation

[Copilot]

Repository was empty; adds a complete browser-based virtual lab with real-time simulations across five experiments.

What's included

• index.html — Single-page app: sticky navbar, sidebar navigation, five experiment pages (dashboard + 4 physics + 1 chemistry)
• style.css — Dark-theme responsive layout; slider controls, live reading displays, canvas wrappers, data tables
• simulation.js — 60 fps Canvas 2D simulation engine:

Experiment	Physics model	Key controls
Pendulum	RK4 integration, θ″ = -(g/L)sin(θ) - (b/m)θ′	Length, mass, damping, gravity
Projectile motion	2D kinematics, no drag	Angle, speed, gravity
Waves / Oscilloscope	Superposition + Lissajous	f₁, f₂, A₁, A₂, Δφ
RC / RL / RLC circuit	Step-response transient	R, C, L, V; draws schematic + curve
Acid–base titration	Strong acid/base pH model	Concentrations, volumes

All simulations update live as sliders move. Pendulum logs KE/PE per step; circuit page renders both a canvas schematic and a τ-scaled response curve; titration shows a burette-and-flask animation alongside the full pH curve with equivalence-point marker.

Original prompt

please i need a labo like that reel one and do my simultation

Created from VS Code.

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