Add Star History chart

Author: zxdong262

src/views/parts/container.pug

@@ -34,3 +34,10 @@
             img(src=val.image, alt=val.title)
           else
             span ✴ #{val.title}
+
+.pd2y
+  h2 Star History
+  hr
+  .pd1y.aligncenter
+    a(href='https://www.star-history.com/#electerm/electerm&Date', rel='noreferrer', target='_blank', title='Star History Chart')
+      img(src='https://api.star-history.com/svg?repos=electerm/electerm&type=Date', alt='Star History Chart')