Update Czech.json (#277)

Happy morning, happy new czech.json update.

init/MUOS/language/Czech.json

@@ -101,23 +101,27 @@
     "Scanning for Wi-Fi Networks...": "Vyhledávání sítí Wi-Fi..."
   },
   "muxnetwork": {
+    "Cannot modify while connected!": "Během připojení nelze upravovat!",
     "Changes Saved": "Změny uloženy",
     "Connect": "Připojit",
     "Connected": "Připojeno",
     "DHCP": "DHCP",
     "DNS Server": "Server DNS",
     "Device IP": "IP adresa zařízení",
+    "Encrypting Password...": "Šifrování hesla...",
     "Gateway IP": "Brána IP",
     "Identifier": "SSID",
     "Network Disabled": "Vypnutá síť",
     "Network Type": "Typ sítě",    
     "Not Connected": "Nepřipojeno",
     "Password": "Heslo",
+    "Please check network settings": "Zkontrolujte nastavení sítě",
     "Profiles": "Profily",
     "Scan": "Skenovat",
     "Static": "Statická ",
     "Status": "Stav",
     "Subnet CIDR": "Podsíť CIDR",
+    "Trying to Connect...": "Pokus o připojení...",
     "WI-FI NETWORK": "WI-FI SÍŤ"
   },
   "muxpass": {
@@ -243,10 +247,18 @@
     "1080p + 24hz": "1080p + 24hz",
     "1080p + 50hz": "1080p + 50hz",
     "1080p + 60hz": "1080p + 60hz",
+    "10m": "10m",
+    "10s": "10s",
+    "15m": "15m",
+    "2m": "2m",
+    "30m": "30m",
+    "30s": "30s",
     "480i": "480i",
     "480p": "480p",
     "576i": "576i",
     "576p": "576p",
+    "5m": "5m",
+    "60s": "60s",
     "720p + 50hz": "720p + 50hz",
     "720p + 60hz": "720p + 60hz",
     "Advanced Settings": "Pokročilá nastavení",
@@ -270,6 +282,8 @@
     "HDMI Output": "HDMI výstup",
     "History": "Historie",
     "Icy Chill (-224)": "Ledový Chill (-224)",
+    "Idle Input Display Timeout": "Časový limit nečinosti displeje",
+    "Idle Input Sleep Timeout": "Časový limit spánku",
     "Instant Shutdown": "Okamžitě vypnout",
     "Interface Options": "Možnosti rozhraní",
     "Last Game": "Poslední hra",