docs(init): initialize repository, roadmap plan, and pedagogical guide for network english

.gitignore

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+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+.venv/
+venv/
+ENV/
+
+# Database
+*.sqlite3
+*.sqlite
+*.db
+*.db-journal
+*.db-wal
+*.db-shm
+
+# Environment & Secret variables
+.env
+.env.local
+*.secret
+
+# Logs
+*.log
+logs/
+
+# Backups
+*.bak
+backups/
+
+# OS / Editor
+.DS_Store
+Thumbs.db
+.idea/
+.vscode/
+*.swp