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

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,27 @@
+---
+name: Bug report
+about: Report a reproducible problem
+labels: bug
+---
+
+## Summary
+Describe the issue clearly.
+
+## Steps to Reproduce
+1.
+2.
+3.
+
+## Expected Behavior
+What should happen.
+
+## Actual Behavior
+What happened instead.
+
+## Environment
+- OS:
+- Browser/Version:
+- Commit/Branch:
+
+## Additional Context
+Logs, screenshots, or other details.

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links: []

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,21 @@
+---
+name: Feature request
+about: Propose an enhancement
+labels: enhancement
+---
+
+## Problem
+What problem should this solve?
+
+## Proposal
+Describe the proposed solution.
+
+## Scope
+What is in scope and out of scope?
+
+## Acceptance Criteria
+- [ ]
+- [ ]
+
+## Additional Context
+Related links, references, or constraints.

.github/SECURITY.md

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+# Security Policy
+
+## Supported Versions
+The `main` branch is the supported baseline for security fixes.
+
+## Reporting a Vulnerability
+Please do not disclose vulnerabilities publicly.
+
+Report security issues privately to the maintainers with:
+- A clear description of the issue
+- Steps to reproduce
+- Impact assessment
+- Any suggested mitigation
+
+We will acknowledge valid reports and provide status updates during triage and remediation.

.github/pull_request_template.md

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+## Summary
+Describe what changed and why.
+
+## Changes
+- 
+
+## Validation
+- [ ] Relevant checks pass
+- [ ] Manual verification completed
+
+## Related
+Issue/Task: 
+
+## Notes
+Any deployment, migration, or follow-up notes.