Update translations

locales/fa.json

@@ -5,6 +5,7 @@
     "bug-reports-front": "web client / frontend.",
     "chat": "با کاربران و توسعه‌دهندگان گپ بزنید",
     "contact": "Contact:",
+    "contact-language": "Preferred language is English, as we have both international contributors and users.",
     "data": "داده:",
     "data-description": "This is based on <a href=\"https://www.openstreetmap.org\" target=\"_blank\">OpenStreetMap</a>. It is usually updated daily, see dates of <a href=\"https://brouter.de/brouter/segments4/\" target=\"_blank\">data files</a>.",
     "description": "Online service of the BRouter routing engine. For the offline Android app and more information see <a href=\"https://brouter.de/\" target=\"_blank\">brouter.de</a>",
@@ -117,7 +118,7 @@
       "edit": "Click to edit",
       "help": "&square; = move / resize, <span class=\"fa fa-trash-o\"></span> = delete,<br>click circle to quit editing"
     },
-    "opacity-slider": "Set transparency of route track and markers",
+    "opacity-slider": "Set transparency of route track and markers. Press and hold the 'M' key to temporarily hide the planned route.",
     "preview": "Preview",
     "privacy": "Privacy",
     "reverse-route": "Reverse route",
@@ -170,6 +171,20 @@
     }
   },
   "sidebar": {
+    "analysis": {
+      "header": {
+        "highway": "Highway",
+        "smoothness": "Smoothness",
+        "surface": "Surface"
+      },
+      "table": {
+        "category": "Category",
+        "length": "Length",
+        "total_known": "Total Known:",
+        "unknown": "Unknown"
+      },
+      "title": "Analysis"
+    },
     "customize-profile": {
       "title": "Customize profile"
     },