Add Emacs config with install scripts for laptop and work

Shared: init.el / early-init.el with Vertico stack, Corfu, Eglot,
treesit-auto, Catppuccin Mocha, doom-modeline, Magit, avy, harpoon,
embark, wgrep, expand-region, envrc, org-mode, and drop-in lang loader.

Lang configs split by stow target:
- shared: elisp, org
- laptop: C/C++, Rust, Go, LaTeX (AUCTeX + latexmk + Zathura)
- work:   C#, JS/TS/HTML/CSS/React (apheleia+prettier), Copilot

install-personal.sh: Fedora — gcc/clang, rustup, Go, texlive, zathura
install-work.sh: Ubuntu 24.04 WSL — dotnet-sdk-10.0, Node 22 via nvm, ts-ls

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

install-personal.sh

@@ -0,0 +1,66 @@
+#!/usr/bin/env bash
+# Personal workstation dev dependencies — Fedora
+# Languages: C, C++, Rust, Go, Emacs Lisp, LaTeX
+set -euo pipefail
+
+# --- Core tools ---
+sudo dnf install -y \
+    emacs \
+    git \
+    ripgrep \
+    fd-find \
+    stow
+
+# --- C / C++ ---
+sudo dnf install -y \
+    gcc \
+    gcc-c++ \
+    clang \
+    clang-tools-extra \
+    cmake \
+    ninja-build
+
+# --- Rust (latest stable via rustup) ---
+if ! command -v rustup &>/dev/null; then
+    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --no-modify-path
+fi
+# shellcheck source=/dev/null
+source "$HOME/.cargo/env"
+rustup update stable
+rustup component add rust-analyzer rust-src clippy rustfmt
+
+# --- Go (latest stable — go.dev does not use LTS; update GO_VERSION as needed) ---
+GO_VERSION="1.24.2"
+INSTALLED=$(go version 2>/dev/null | awk '{print $3}' || true)
+if [[ "$INSTALLED" != "go${GO_VERSION}" ]]; then
+    curl -fsSL "https://go.dev/dl/go${GO_VERSION}.linux-amd64.tar.gz" -o /tmp/go.tar.gz
+    sudo rm -rf /usr/local/go
+    sudo tar -C /usr/local -xzf /tmp/go.tar.gz
+    rm /tmp/go.tar.gz
+fi
+export PATH="/usr/local/go/bin:$PATH"
+
+# gopls language server
+go install golang.org/x/tools/gopls@latest
+
+# --- LaTeX ---
+# texlive-scheme-medium covers most common packages including latexmk
+# liturg is a liturgical typesetting package (plainchant, etc.)
+sudo dnf install -y \
+    texlive-scheme-medium \
+    texlive-liturg \
+    zathura \
+    zathura-pdf-mupdf \
+    aspell \
+    aspell-en
+
+# Inverse search: Zathura → Emacs via Ctrl+click
+# Add to ~/.config/zathura/zathurarc if not already present:
+#   set synctex-editor-command "emacsclient +%{line} %{input}"
+ZATHURA_RC="$HOME/.config/zathura/zathurarc"
+if ! grep -q "synctex-editor-command" "$ZATHURA_RC" 2>/dev/null; then
+    mkdir -p "$(dirname "$ZATHURA_RC")"
+    echo 'set synctex-editor-command "emacsclient +%{line} %{input}"' >> "$ZATHURA_RC"
+fi
+
+echo "Personal dev dependencies installed."