add a screen capture

Signed-off-by: Jeff Carr <jcarr@wit.com>

.gitignore

@@ -3,3 +3,4 @@ test2/test2
 test3/test3
 test4/test4
 test5/test5
+example-systray/example-systray

README.md

@@ -31,6 +31,8 @@ make
 ![test image](example-table/screenshot.png)
 ## example-gui
 ![test image](example-gui/capture.gif)
+## example-systray
+![test image](example-systray/capture.mp4)
 
 # License
 

example-systray/Makefile

@@ -2,5 +2,13 @@ build:
 	go build
 	./example-systray
 
+init:
+	apt install libappindicator3-dev
+
 run:
 	go run *.go
+
+# should update every go dependancy (?)
+update:
+	git pull
+	go get -v -t -u .