feature<Statistics>: add simple statistic page

src/Models/StatisticSample.cs

@@ -0,0 +1,15 @@
+namespace SourceGit.Models {
+    /// <summary>
+    ///     统计图表样品
+    /// </summary>
+    public class StatisticSample {
+        /// <summary>
+        ///     样品名
+        /// </summary>
+        public string Name { get; set; }
+        /// <summary>
+        ///     提交个数
+        /// </summary>
+        public int Count { get; set; }
+    }
+}