add icons

diff --git a/resources/LIGHT.png b/resources/LIGHT.png
new file mode 100755 (executable)
index 0000000..ccd14fe
Binary files /dev/null and b/resources/LIGHT.png differ

diff --git a/resources/line_icon.png b/resources/line_icon.png
new file mode 100755 (executable)
index 0000000..333f657
Binary files /dev/null and b/resources/line_icon.png differ

diff --git a/resources/paragraph_icon.png b/resources/paragraph_icon.png
new file mode 100755 (executable)
index 0000000..d599934
Binary files /dev/null and b/resources/paragraph_icon.png differ