minor fixes (missing commas, spaces, translations)

src/languages/en.js

@@ -7,7 +7,20 @@ export default {
     upsideDownModeDescription: "Flip the status upside down. If the service is reachable, it is DOWN.",
     maxRedirectDescription: "Maximum number of redirects to follow. Set to 0 to disable redirects.",
     acceptedStatusCodesDescription: "Select status codes which are considered as a successful response.",
+    Maintenance: "Maintenance",
+    "Monitor List": "Monitor List",
+    "Maintenance List": "Maintenance List",
+    "Schedule maintenance": "Schedule maintenance",
+    "Affected Monitors": "Affected Monitors",
+    "Pick Affected Monitors...": "Pick Affected Monitors...",
+    "Start of maintenance": "Start of maintenance",
+    "Expected end of maintenance": "Expected end of maintenance",
+    Start: "Start",
+    End: "End",
     affectedMonitorsDescription: "Select monitors that are affected by current maintenance",
+    atLeastOneMonitor: "Select at least one affected monitor",
+    maintenanceTitleExample: "Network infrastructure maintenance",
+    maintenanceDescriptionExample: "Example: Network infrastructure maintenance is underway which will affect some of our services.",
     passwordNotMatchMsg: "The repeat password does not match.",
     notificationDescription: "Notifications must be assigned to a monitor to function.",
     keywordDescription: "Search keyword in plain HTML or JSON response. The search is case-sensitive.",
@@ -40,7 +53,10 @@ export default {
     "Check Update On GitHub": "Check Update On GitHub",
     List: "List",
     Add: "Add",
+    "Add Monitor": "Add Monitor",
+    "Add Maintenance": "Add Maintenance",
     "Add New Monitor": "Add New Monitor",
+    "Add New Maintenance": "Add New Maintenance",
     "Quick Stats": "Quick Stats",
     Up: "Up",
     Down: "Down",
@@ -114,6 +130,7 @@ export default {
     "Remember me": "Remember me",
     Login: "Login",
     "No Monitors, please": "No Monitors, please",
+    "No Maintenance, please": "No Maintenance, please",
     "add one": "add one",
     "Notification Type": "Notification Type",
     Email: "Email",