Add more icons to img/

Signed-off-by: Georg Ehrke <developer@georgehrke.com>

img/LICENSES.md

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+# Licenses
+
+## repeat.svg
+- Created by: [Brandy Bora](https://thenounproject.com/brandy.bora/)
+- License: CC-BY
+- Link: https://thenounproject.com/search/?q=repeat&i=1555394

img/reminder.svg

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+<svg width="16" height="16" version="1.1" xmlns="http://www.w3.org/2000/svg"><path d="m8 2a1 1 0 0 0-1 1c0 0.047 0.02134 0.08681 0.02734 0.13281a3.992 3.992 0 0 0-3.0273 3.8672v2l-1 1v1h10v-1l-1-1v-1a4 4 0 0 1-0.16602-0.00391 4 4 0 0 1-0.39844-0.035156 4 4 0 0 1-0.39258-0.076172 4 4 0 0 1-0.38281-0.11523 4 4 0 0 1-0.36914-0.15234 4 4 0 0 1-0.35352-0.18945 4 4 0 0 1-0.33203-0.22266 4 4 0 0 1-0.30664-0.25586 4 4 0 0 1-0.28125-0.2832 4 4 0 0 1-0.25195-0.3125 4 4 0 0 1-0.21875-0.33398 4 4 0 0 1-0.18359-0.35547 4 4 0 0 1-0.14844-0.37109 4 4 0 0 1-0.10938-0.38477 4 4 0 0 1-0.07227-0.39258 4 4 0 0 1-0.02148-0.26172 3 3 0 0 1-0.0059-0.08008 4 4 0 0 1-0.0039-0.05664 4 4 0 0 1 0-0.04102 3 3 0 0 1-0.0019-0.07617c0-0.0051 0.0039-0.0086 0.0039-0.01367a4 4 0 0 1 0.0059-0.26953 4 4 0 0 1 0.04883-0.39648 4 4 0 0 1 0.08789-0.39062 4 4 0 0 1 0.125-0.37891 4 4 0 0 1 0.16406-0.36523 4 4 0 0 1 0.03125-0.05469 0.978 0.978 0 0 0-0.4668-0.13086zm-2 10a2 2 0 0 0 4 0z"/><path d="m12 1a3 3 0 1 0 0 6 3 3 0 0 0 0-6z" fill-rule="evenodd"/></svg>

img/repeat.svg

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+<svg height='300px' width='300px'  fill="#000000" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16.72 16.72" x="0px" y="0px"><title>Loop</title><g data-name="UI Elements"><path d="M4.34,4.29a5.72,5.72,0,0,1,9.75,4.07h2.49a8.21,8.21,0,0,0-14-5.83L.69.64V6.34H6.39Z"></path><path d="M12.43,12.39a5.72,5.72,0,0,1-9.79-4H.15a8.21,8.21,0,0,0,14,5.79L16,16V10.42H10.47Z"></path></g></svg>