added button for custom abacus; added colors for custom abacus

1 files changed, 203 insertions, 0 deletions

diff --git a/icons/custom.svg b/icons/custom.svg
new file mode 100644
index 0000000..90c21f2
--- /dev/null
+++ b/icons/custom.svg
@@ -0,0 +1,203 @@
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