Add Git style and strengthen Hawolex

- Add git preset with repo capsule

- Boost Hawolex palette contrast

- Update context and contest JSONs

dotfiles/install/install-linux-global.sh

@@ -149,12 +149,15 @@ if [[ -t 0 ]]; then
       echo "     Preview: [user time] - @host /path"
       echo "  5) Mono    - Clean monochrome, fast read"
       echo "     Preview: [date time user] @host /path"
+      echo "  6) Git     - Minimal with git capsule"
+      echo "     Preview: [date time user] @host - /path (git)"
       read -r -p "Choose style [1]: " style_pick
       case "${style_pick}" in
         2) style_choice="neon" ;;
         3) style_choice="forge" ;;
         4) style_choice="circuit" ;;
         5) style_choice="mono" ;;
+        6) style_choice="git" ;;
         ""|1) style_choice="aurora" ;;
         *) echo "Invalid choice, using aurora."; style_choice="aurora" ;;
       esac