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/air-india.svg

@@ -0,0 +1 @@
+<svg fill="#DA0E29" role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>Air India</title><path d="M8.483.001C6.247.043 4.102 1.018 2.092 2.898c.141-.065-.545.44-1.637 1.676.013.006-.009.017-.013.025 0 0 .014.037.14-.064.75-.61 3.198-2.893 9.86.101a276.52 276.52 0 0 0 6.42 2.78s1.027 3.236 2.207 6.637c2.398 6.89-.087 9.135-.76 9.82-.102.114-.064.127-.064.127a16.746 16.746 0 0 0 2.385-2.08c1.624-1.637 2.588-3.428 2.855-5.344.254-1.878-.203-3.5-.584-4.566-.266-.75-.481-1.346-.672-1.88-.862-2.423-1.028-2.867-1.625-5.29l-.203-.8c-.023-.003.009-.016.014-.025l-.787-.254c-2.386-.774-2.804-.964-5.165-2.017-.52-.229-1.103-.496-1.826-.813-.85-.368-2.146-.875-3.707-.926a8.027 8.027 0 0 0-.447-.004Z"/></svg>