feat: strings for element properties section placeholder

Author: devvaannsh

src/nls/root/strings.js

@@ -286,6 +286,8 @@ define({
     "LIVE_DEV_ELEMENT_PROPS_ID": "ID",
     "LIVE_DEV_ELEMENT_PROPS_HREF": "Link",
     "LIVE_DEV_ELEMENT_PROPS_ADD_CLASS": "+ add class",
+    "LIVE_DEV_ELEMENT_PROPS_CLASS_PLACEHOLDER": "Add a class…",
+    "LIVE_DEV_ELEMENT_PROPS_ID_PLACEHOLDER": "Add an ID…",
     "LIVE_DEV_ELEMENT_PROPS_SEARCH_TAGS": "Tag Suggestions",
     "LIVE_DEV_ELEMENT_PROPS_COMPUTED": "Computed:",
     "LIVE_DEV_ELEMENT_PROPS_USE_CUSTOM": "Use \u201c{0}\u201d",
@@ -294,8 +296,8 @@ define({
     "LIVE_DEV_ELEMENT_PROPS_ATTR_NAME": "name",
     "LIVE_DEV_ELEMENT_PROPS_ATTR_VALUE": "value",
     "LIVE_DEV_ELEMENT_PROPS_LOADING": "Loading",
-    "LIVE_DEV_ELEMENT_PROPS_NO_CLASSES": "No classes",
-    "LIVE_DEV_ELEMENT_PROPS_NO_ATTRIBUTES": "No attributes",
+    "LIVE_DEV_ELEMENT_PROPS_NO_CLASSES": "No classes yet",
+    "LIVE_DEV_ELEMENT_PROPS_NO_ATTRIBUTES": "No attributes yet",
     "LIVE_DEV_ELEMENT_PROPS_RESETTING": "Resetting",
     "LIVE_DEV_CB_EXCEEDED_CLASSES": "+{0} more",
     "LIVE_DEV_CB_TIP_TEXT_COLOR": "Text Color",