Consolida documentação e plugins de referência ao núcleo atual.

Alinha mpChat e screenCast a ConnectionManager/GuiManager, adiciona docs em docs/ e README de plugins; remove artefatos de build do índice.

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/references/bibliografia.bib

@@ -0,0 +1,24 @@
+@book{tanenbaum2011,
+  title     = {Computer Networks},
+  author    = {Tanenbaum, Andrew S. and Wetherall, David J.},
+  edition   = {5},
+  year      = {2011},
+  publisher = {Prentice Hall},
+  note      = {UDP, TCP, multicast — conceitos gerais}
+}
+
+@misc{rfc1112,
+  title        = {Host Extensions for IP Multicasting},
+  author       = {Deering, S.},
+  howpublished = {RFC 1112},
+  year         = {1989},
+  url          = {https://www.rfc-editor.org/rfc/rfc1112}
+}
+
+@book{oracle_networking,
+  title     = {Java Platform, Standard Edition Documentation: Networking},
+  author    = {{Oracle}},
+  year      = {2024},
+  url       = {https://docs.oracle.com/en/java/javase/},
+  note      = {MulticastSocket, Socket, serialization}
+}