chore: standardize .gitignore (RSR)

Author: hyperpolymath

.gitignore

@@ -1,60 +1,79 @@
-# Rust
-target/
-Cargo.lock
-**/*.rs.bk
-*.pdb
-
-# Node.js / VS Code client
-node_modules/
-dist/
-out/
-*.vsix
-package-lock.json
-
-# Python / Sublime
-__pycache__/
-*.py[cod]
-*$py.class
-*.so
-.Python
+# SPDX-License-Identifier: AGPL-3.0-or-later
+# RSR-compliant .gitignore
 
-# IDEs
-.vscode/
-.idea/
+# OS & Editor
+.DS_Store
+Thumbs.db
 *.swp
 *.swo
 *~
-.DS_Store
+.idea/
+.vscode/
 
-# Build artifacts
-*.exe
-*.dll
-*.dylib
+# Build
+/target/
+/_build/
+/build/
+/dist/
+/out/
 
-# Logs
-*.log
-logs/
+# Dependencies
+/node_modules/
+/vendor/
+/deps/
+/.elixir_ls/
 
-# Environment
-.env
-.env.local
-*.local
+# Rust
+# Cargo.lock  # Keep for binaries
 
-# Coverage
-coverage/
-*.profdata
-tarpaulin-report.html
+# Elixir
+/cover/
+/doc/
+*.ez
+erl_crash.dump
 
-# Benchmarks
-criterion/
+# Julia
+*.jl.cov
+*.jl.mem
+/Manifest.toml
 
-# Temporary files
-*.tmp
-*.temp
-.cache/
+# ReScript
+/lib/bs/
+/.bsb.lock
 
-# Docker
-.dockerignore
+# Python (SaltStack only)
+__pycache__/
+*.py[cod]
+.venv/
 
-# OS
-Thumbs.db
+# Ada/SPARK
+*.ali
+/obj/
+/bin/
+
+# Haskell
+/.stack-work/
+/dist-newstyle/
+
+# Chapel
+*.chpl.tmp.*
+
+# Secrets
+.env
+.env.*
+*.pem
+*.key
+secrets/
+
+# Test/Coverage
+/coverage/
+htmlcov/
+
+# Logs
+*.log
+/logs/
+
+# Temp
+/tmp/
+*.tmp
+*.bak