perForumStats: add strings localization

Bug: twpowertools:95
Change-Id: I98bd6d3d51fbd4ff4706eab596a8dd895de28f14
diff --git a/src/static/_locales/en/messages.json b/src/static/_locales/en/messages.json
index 44271db..f64219d 100644
--- a/src/static/_locales/en/messages.json
+++ b/src/static/_locales/en/messages.json
@@ -287,6 +287,112 @@
     "message": "Run a workflow...",
     "description": "Tooltip of the icon shown above a thread or in thread lists when selecting multiple threads in the Community Console which lets the user show a menu with the worklofws they can run."
   },
+  "inject_perforumstats_heading": {
+    "message": "Per-forum activity",
+    "description": "Heading of the section with the per-forum activity stacked bars graph showing the number of questions, replies and recommended answers each month."
+  },
+  "inject_perforumstats_forumoption_1helper": {
+    "message": "$forumName$ ($helper1$)",
+    "description": "In the selector where the user can select the forum shown in the graph, one such option. $helper1$ will usually be the number of messages posted by the user in that forum.",
+    "placeholders": {
+      "forumName": {
+        "content": "$1",
+        "example": "Google Chrome"
+      },
+      "helper1": {
+        "content": "$2",
+        "example": "963 messages"
+      }
+    }
+  },
+  "inject_perforumstats_forumoption_2helpers": {
+    "message": "$forumName$ ($helper1$, $helper2$)",
+    "description": "In the selector where the user can select the forum shown in the graph, one such option. $helper1$ will be the number of messages posted by the user in that forum, and $helper2$ will be the badge awarded to the user in that forum.",
+    "placeholders": {
+      "forumName": {
+        "content": "$1",
+        "example": "Google Chrome"
+      },
+      "helper1": {
+        "content": "$2",
+        "example": "963 messages"
+      },
+      "helper2": {
+        "content": "$3",
+        "example": "gold"
+      }
+    }
+  },
+  "inject_perforumstats_nummessages_singular": {
+    "message": "1 message",
+    "description": "Annotation shown in the forum selector which states how many messages have been published by a user in a forum (singular variant)."
+  },
+  "inject_perforumstats_nummessages_plural": {
+    "message": "$num$ messages",
+    "description": "Annotation shown in the forum selector which states how many messages have been published by a user in a forum (plural variant).",
+    "placeholders": {
+      "num": {
+        "content": "$1",
+        "example": "963"
+      }
+    }
+  },
+  "inject_perforumstats_role_bronze": {
+    "message": "bronze",
+    "description": "Role that a user can have in the forums."
+  },
+  "inject_perforumstats_role_silver": {
+    "message": "silver",
+    "description": "Role that a user can have in the forums."
+  },
+  "inject_perforumstats_role_gold": {
+    "message": "gold",
+    "description": "Role that a user can have in the forums."
+  },
+  "inject_perforumstats_role_platinum": {
+    "message": "platinum",
+    "description": "Role that a user can have in the forums."
+  },
+  "inject_perforumstats_role_diamond": {
+    "message": "diamond",
+    "description": "Role that a user can have in the forums."
+  },
+  "inject_perforumstats_role_community_manager": {
+    "message": "CM",
+    "description": "Role that a user can have in the forums (short for community manager)."
+  },
+  "inject_perforumstats_role_community_specialist": {
+    "message": "specialist",
+    "description": "Role that a user can have in the forums (short for community specialist)."
+  },
+  "inject_perforumstats_role_google_employee": {
+    "message": "Googler",
+    "description": "Role that a user can have in the forums."
+  },
+  "inject_perforumstats_role_alumnus": {
+    "message": "alumnus",
+    "description": "Role that a user can have in the forums."
+  },
+  "inject_perforumstats_optgroup_notposted": {
+    "message": "Not posted to within the last 12 months",
+    "description": "Label showed above the forums for which the user hasn't posted in the last 12 months, in the forum selector list."
+  },
+  "inject_perforumstats_chart_label": {
+    "message": "User activity chart",
+    "description": "Label for the chart for accessibility purposes (e.g. users with screen-readers)."
+  },
+  "inject_perforumstats_chart_recommended": {
+    "message": "Recommended",
+    "description": "Label shown in the legend of the per-forum activity chart."
+  },
+  "inject_perforumstats_chart_replies": {
+    "message": "Replies (not recommended)",
+    "description": "Label shown in the legend of the per-forum activity chart."
+  },
+  "inject_perforumstats_chart_questions": {
+    "message": "Questions",
+    "description": "Label shown in the legend of the per-forum activity chart."
+  },
   "actionbadge_permissions_requested": {
     "message": "Some features need additional permissions to work. Click to fix it.",
     "description": "Tooltip for the extension icon when a feature is enabled but it needs several permissions to be granted."