release: v0.1.0 — one-click install, keyless boot, in-app Provider Settings (#142)

The first formal release.

- One-click install via Pinokio; keyless boot lands on a live Esri World
  Imagery satellite globe with keyless terrain, with automatic OSM fallback
  and graceful degradation when terrain is unavailable.
- Provider Settings (the POWER UP panel): add, replace, or remove API keys
  inside the app; credential files made owner-only before any secret is
  written; external keys shown read-only; the panel refuses shared or proxied
  servers.
- Keyless capability responses for the optional HUD summary and place search.
- Aircraft-identity voice answers cover operator, type, and route, and say so
  plainly when enrichment is unavailable.
- README rewritten keyless-first; concise 0.1.0 changelog section; CI
  workflow included.

Gates: 2,672 unit tests pass / 0 fail, build clean, tracking regression
108/108, map-source tray QA pass, setup doctor ready.

CONTRIBUTING.md

@@ -12,10 +12,18 @@ cd gods-eye-view
 nvm install 24.14.0
 nvm use 24.14.0
 npm install
-./scripts/dev-fresh.sh        # or: GOOGLE_MAPS_API_KEY="…" npm run dev
+npm run doctor
+./scripts/dev-fresh.sh        # or: npm run dev (keys are optional)
 ```
 
-You need a **Google Maps API key** with the Map Tiles API enabled (see the [README](README.md#-api-keys)). Most data layers work with no other accounts. On macOS the launcher pulls keys from the Keychain; on any platform you can pass them as env vars or use a `.env` (copy `.env.example`).
+No key is required to start: the app boots on keyless Esri World Imagery with
+keyless terrain, and OSM takes over automatically if Esri is unreachable.
+Google Maps provides direct photorealistic 3D and place search; Cesium ion
+provides ion-hosted Google 3D plus optional Bing/world-terrain stacks.
+On macOS the launcher pulls optional keys from
+the Keychain; on any platform you can pass them as env vars or use a `.env`.
+People who only want to run the app can instead install the repository directly
+through Pinokio; the terminal path above remains the contributor path.
 
 Open `http://localhost:4173`. Before sending a PR run `npm run build`, `npm test`, and `npm run test:track` (dev server must be up) — **all three must stay green.**