Add Rhodium dotfiles

Author: Jonathan D.A. Jewell

.editorconfig

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+# RSR-template-repo - Editor Configuration
+# https://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.adoc]
+trim_trailing_whitespace = false
+
+[*.rs]
+indent_size = 4
+
+[*.ex]
+indent_size = 2
+
+[*.exs]
+indent_size = 2
+
+[*.zig]
+indent_size = 4
+
+[*.ada]
+indent_size = 3
+
+[*.adb]
+indent_size = 3
+
+[*.ads]
+indent_size = 3
+
+[*.hs]
+indent_size = 2
+
+[*.res]
+indent_size = 2
+
+[*.resi]
+indent_size = 2
+
+[*.ncl]
+indent_size = 2
+
+[*.rkt]
+indent_size = 2
+
+[*.scm]
+indent_size = 2
+
+[*.nix]
+indent_size = 2
+
+[Justfile]
+indent_style = space
+indent_size = 4
+
+[justfile]
+indent_style = space
+indent_size = 4

.gitattributes

@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: AGPL-3.0-or-later
+# RSR-compliant .gitattributes
+
+* text=auto eol=lf
+
+# Source
+*.rs    text eol=lf diff=rust
+*.ex    text eol=lf diff=elixir
+*.exs   text eol=lf diff=elixir
+*.jl    text eol=lf
+*.res   text eol=lf
+*.resi  text eol=lf
+*.ada   text eol=lf diff=ada
+*.adb   text eol=lf diff=ada
+*.ads   text eol=lf diff=ada
+*.hs    text eol=lf
+*.chpl  text eol=lf
+*.scm   text eol=lf
+*.ncl   text eol=lf
+*.nix   text eol=lf
+
+# Docs
+*.md    text eol=lf diff=markdown
+*.adoc  text eol=lf
+*.txt   text eol=lf
+
+# Data
+*.json  text eol=lf
+*.yaml  text eol=lf
+*.yml   text eol=lf
+*.toml  text eol=lf
+
+# Config
+.gitignore     text eol=lf
+.gitattributes text eol=lf
+justfile       text eol=lf
+Makefile       text eol=lf
+Containerfile  text eol=lf
+
+# Scripts
+*.sh   text eol=lf
+
+# Binary
+*.png   binary
+*.jpg   binary
+*.gif   binary
+*.pdf   binary
+*.woff2 binary
+*.zip   binary
+*.gz    binary
+
+# Lock files
+Cargo.lock  text eol=lf -diff
+flake.lock  text eol=lf -diff

.gitignore

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+# SPDX-License-Identifier: AGPL-3.0-or-later
+# RSR-compliant .gitignore
+
+# OS & Editor
+.DS_Store
+Thumbs.db
+*.swp
+*.swo
+*~
+.idea/
+.vscode/
+
+# Build
+/target/
+/_build/
+/build/
+/dist/
+/out/
+
+# Dependencies
+/node_modules/
+/vendor/
+/deps/
+/.elixir_ls/
+
+# Rust
+# Cargo.lock  # Keep for binaries
+
+# Elixir
+/cover/
+/doc/
+*.ez
+erl_crash.dump
+
+# Julia
+*.jl.cov
+*.jl.mem
+/Manifest.toml
+
+# ReScript
+/lib/bs/
+/.bsb.lock
+
+# Python (SaltStack only)
+__pycache__/
+*.py[cod]
+.venv/
+
+# 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