fix: odstranit emoji ze vsech souboru

Kompletne odstraneno:
- Emoji (smajliky, symboly, boxes, arrows) z README
- Emoji ze skriptu (sipky, symboly)
- Emoji z docker-compose (adresare)

Nahrano za:
- Textove alternativy (sipky -> '->', boxes -> '+', atd.)
- ASCII pouze kde to slo

Ciste vsechny 7 repo (overeno Python skriptem).

update-macos.sh

@@ -10,35 +10,35 @@ echo ""
 
 # Kontrola Homebrew
 if ! command -v brew >/dev/null 2>&1; then
-    echo "Homebrew není nainstalovaný."
-    exit 1
+ echo "Homebrew není nainstalovaný."
+ exit 1
 fi
 
-echo "→ Aktualizace Homebrew metadata..."
+echo "-> Aktualizace Homebrew metadata..."
 brew update
 
 echo ""
-echo "→ Upgrade formulae..."
+echo "-> Upgrade formulae..."
 brew upgrade
 
 echo ""
-echo "→ Upgrade casks..."
+echo "-> Upgrade casks..."
 brew upgrade --cask
 
 echo ""
-echo "→ Cleanup..."
+echo "-> Cleanup..."
 brew cleanup
 
 echo ""
-echo "→ Autoremove..."
+echo "-> Autoremove..."
 brew autoremove
 
 echo ""
-echo "→ Health check..."
+echo "-> Health check..."
 brew doctor
 
 echo ""
-echo "→ Outdated packages:"
+echo "-> Outdated packages:"
 brew outdated || true
 
 echo ""