add initial application structure with configuration, logging, and health check endpoints

.gitignore

@@ -0,0 +1,34 @@
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+*.test
+*.out
+*.log
+
+# Build outputs
+/bin/
+/dist/
+/tmp/
+/build/
+
+# Go workspace
+/vendor/
+/coverage/
+/cover.out
+*.prof
+
+# Local env/config overrides
+.env
+.env.*
+application.local.yaml
+application.*.local.yaml
+
+# IDE/editor
+.idea/
+.vscode/
+
+# OS
+.DS_Store
+Thumbs.db