Initial commit: Alpine 5G Router with Fibocom FM350-GL modem configuration

- Complete working configuration for FM350-GL modem
- CYTA Cyprus APN setup (internet)
- AT command reference and troubleshooting guide
- Configuration scripts and documentation
- RNDIS mode working with manual IP configuration

.gitignore

@@ -0,0 +1,16 @@
+# Logs
+*.log
+/var/log/
+
+# Temporary files
+*.tmp
+*.swp
+*~
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# Backup files
+*.bak
+*.backup