Feat/airline logos opensky refresh (#6)

* feat: keyboard shortcuts, click-to-select, pulse/glow, smooth orbit resume

* feat: add camera controls and enhance keyboard shortcuts help; improve flight card accessibility

* feat: enhance flight layers and keyboard shortcuts; improve airline data structure

* feat: expand airline logos and refresh flight/OpenSky mapping

* feat: import expanded airport dataset

* perf: reduce trail recomputation and soften airport dots

* perf: speed up 9k airport search with index + cache

* docs: add community standards and contribution templates

* docs: enforce issue templates via config

* chore: ignore only .github/agents

* fix: improve airport visibility and stable map marker

public/airline-logos/airasia.svg

@@ -0,0 +1 @@
+<svg fill="#FF0000" role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>AirAsia</title><path d="M11.54 14.49c-1.278 0-2.264-.998-2.264-2.276 0-1.252.98-2.27 2.264-2.27 1.232 0 2.238 1.018 2.238 2.27 0 1.278-1.005 2.277-2.239 2.277zm3.074-7.854l-.214.998c-.59-1.18-2.348-1.297-3.295-1.297-2.952 0-5.527 2.841-5.527 6.746 0 3.14 1.875 5.111 4.23 5.111 1.316 0 2.432-.304 3.353-1.4l-.24 1.102h3.711l1.692-11.26c-1.238-.001-2.482.01-3.71 0zM12 0c6.63 0 12 5.37 12 12s-5.37 12-12 12S0 18.63 0 12 5.37 0 12 0Z"/></svg>