Add most frequent issue creators

main.js

@@ -189,6 +189,23 @@ function createStatistics() {
   statistics += `The average time to close issues was ${averageClosedDays} days `
   statistics += `or ${averageClosedHours} hours.\n\n`
 
+  let _mostFrequent = {}
+  for (const file of opened) {
+    const issue = require(file.path)
+    if (typeof _mostFrequent[issue.author.username] === 'undefined') _mostFrequent[issue.author.username] = 1
+    else _mostFrequent[issue.author.username]++
+  }
+
+  let mostFrequent = Object.keys(_mostFrequent)
+  mostFrequent.sort((a, b) => _mostFrequent[b] - _mostFrequent[a])
+  mostFrequent = mostFrequent.slice(0, 3)
+
+  statistics += 'Most frequent issue creators:\n\n'
+  for (const user of mostFrequent) {
+    statistics += `* [${user}](https://gitlab.com/${user}) `
+    statistics += `with [${_mostFrequent[user]} issues created](https://gitlab.com/tildes/tildes/issues?state=all&author_username=${user}).\n`
+  }
+
   let labels = {}
   for (const file of opened) {
     const issue = require(file.path)
@@ -202,7 +219,7 @@ function createStatistics() {
   let labelsOrdered = {}
   Object.keys(labels).sort().forEach(label => labelsOrdered[label] = labels[label])
 
-  statistics += 'Total amount of labels assigned to currently open issues:\n\n'
+  statistics += '\nTotal amount of labels assigned to currently open issues:\n\n'
 
   for (const label in labelsOrdered) {
     statistics += `* [${label}](https://gitlab.com/tildes/tildes/issues?state=opened&label_name%5B%5D=${label.replace(' ', '+')}): ${labels[label]} times.\n`