refactor: reorganize modules and add Linux build tooling

.gitignore

@@ -0,0 +1,36 @@
+# Build artifacts
+/builds/
+/dist/
+*.test
+*.out
+coverage.txt
+coverage.html
+
+# Runtime data
+*.log
+*.pid
+*.seed
+
+# Local environment and secrets
+.env
+.env.*
+!.env.example
+
+# Temporary files
+*.tmp
+*.temp
+*.swp
+*.swo
+*~
+/.tmp/
+/tmp/
+
+# Editors and IDEs
+/.idea/
+/.vscode/
+*.code-workspace
+
+# Operating system metadata
+.DS_Store
+Thumbs.db
+Desktop.ini