Vendor Vanta.js, three.js, suncalc locally for offline operation

vendor/LICENSE

@@ -0,0 +1,25 @@
+three.min.js - three.js (r128)
+Source: https://github.com/mrdoob/three.js
+License: MIT (https://github.com/mrdoob/three.js/blob/dev/LICENSE)
+Used under the terms of the MIT License.
+
+suncalc.js - SunCalc (v1.9.0)
+Source: https://github.com/mourner/suncalc
+Original author: Vladimir Agafonkin (mourner)
+License: ISC (https://github.com/mourner/suncalc/blob/master/LICENSE)
+Used under the terms of the ISC License.
+
+vanta.clouds.min.js - Vanta.js Clouds effect (v0.5.21)
+Source: https://github.com/tengbao/vanta
+Author: Teng Bao
+License: MIT (https://github.com/tengbao/vanta/blob/master/LICENSE)
+Used under the terms of the MIT License.
+
+vanta.clouds2.min.js - Vanta.js Clouds2 effect (v0.5.21)
+Source: https://github.com/tengbao/vanta
+Author: Teng Bao
+License: MIT (https://github.com/tengbao/vanta/blob/master/LICENSE)
+Used under the terms of the MIT License.
+
+These libraries are vendored locally so the application can run fully offline
+without any external network dependencies.