diff --git a/.gitignore b/.gitignore
index 0da1e006787097aebceab12bbc51c12a4a4d17dd..934e0e06ffa0a2aeedbe1341d321549336719cc0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,2 @@
 /bin
 /target
-/testdata/
-/doc/
diff --git a/doc/logo-proposals.txt b/doc/logo-proposals.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b6462e19c232b1d47b5602e6b904d4736a8277dd
--- /dev/null
+++ b/doc/logo-proposals.txt
@@ -0,0 +1,9 @@
+[related to tea]
+https://www.iconfinder.com/icons/1393/coffee_cup_hot_tea_icon#size=128
+https://www.iconfinder.com/icons/264396/cup_drink_mug_tea_icon#size=512
+
+[related to T]
+
+
+[related to time]
+