diff --git a/assets/H@2x.png b/assets/H@2x.png
new file mode 100644
index 0000000..41b9395
Binary files /dev/null and b/assets/H@2x.png differ
diff --git a/assets/W@2x.png b/assets/W@2x.png
new file mode 100644
index 0000000..bfd44ac
Binary files /dev/null and b/assets/W@2x.png differ
diff --git a/assets/Z@2x.png b/assets/Z@2x.png
new file mode 100644
index 0000000..15b59b3
Binary files /dev/null and b/assets/Z@2x.png differ
diff --git a/assets/chitilde@2x.png b/assets/chitilde@2x.png
new file mode 100644
index 0000000..fc38b41
Binary files /dev/null and b/assets/chitilde@2x.png differ
diff --git a/assets/github@2x.png b/assets/github@2x.png
new file mode 100644
index 0000000..182a1a3
Binary files /dev/null and b/assets/github@2x.png differ
diff --git a/assets/t@2x.png b/assets/t@2x.png
new file mode 100644
index 0000000..5577074
Binary files /dev/null and b/assets/t@2x.png differ