chore: add dev-setup.sh for contributor workflow

Creates symlinks from install dirs to repo for live editing.
Also adds wiki/ to .gitignore for local wiki editing.

.gitignore

@@ -30,6 +30,9 @@ qmlcache/
 # Claude Code / AI assistant
 .claude/
 
+# Wiki (cloned separately for local editing)
+wiki/
+
 # IDE / Editor
 .vscode/
 .idea/

dev-setup.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+# hypr-lens Developer Setup
+# Creates symlinks from install dirs to source for live editing
+#
+# Usage: ./dev-setup.sh
+
+set -eu
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+QML_INSTALL_DIR="$HOME/.config/quickshell/hypr-lens"
+SCRIPTS_INSTALL_DIR="$HOME/.local/share/hypr-lens/scripts"
+
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+info()    { echo -e "${YELLOW}[DEV]${NC} $1"; }
+success() { echo -e "${GREEN}[OK]${NC} $1"; }
+
+echo "hypr-lens Developer Setup"
+echo "========================="
+echo ""
+echo "This creates symlinks so edits in the repo are immediately reflected."
+echo ""
+
+for pair in \
+    "$QML_INSTALL_DIR:$SCRIPT_DIR/quickshell" \
+    "$SCRIPTS_INSTALL_DIR:$SCRIPT_DIR/scripts"; do
+
+    dest="${pair%%:*}"
+    source="${pair##*:}"
+
+    if [[ -L "$dest" ]]; then
+        info "Symlink already exists: $dest"
+    elif [[ -d "$dest" ]]; then
+        info "Replacing directory with symlink: $dest"
+        rm -rf "$dest"
+        mkdir -p "$(dirname "$dest")"
+        ln -s "$source" "$dest"
+        success "Symlinked: $dest → $source"
+    else
+        mkdir -p "$(dirname "$dest")"
+        ln -s "$source" "$dest"
+        success "Symlinked: $dest → $source"
+    fi
+done
+
+echo ""
+success "Dev setup complete! Edits in repo are now live."