add icons

icons/dark/calendar_today.svg

@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 -960 960 960" width="24px" fill="#c0c0c0"><path d="M360-300q-42 0-71-29t-29-71q0-42 29-71t71-29q42 0 71 29t29 71q0 42-29 71t-71 29ZM200-80q-33 0-56.5-23.5T120-160v-560q0-33 23.5-56.5T200-800h40v-80h80v80h320v-80h80v80h40q33 0 56.5 23.5T840-720v560q0 33-23.5 56.5T760-80H200Zm0-80h560v-400H200v400Zm0-480h560v-80H200v80Zm0 0v-80 80Z"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="silver" viewBox="0 -960 960 960"><path d="M360-300q-42 0-71-29t-29-71 29-71 71-29 71 29 29 71-29 71-71 29M200-80q-33 0-56.5-23.5T120-160v-560q0-33 23.5-56.5T200-800h40v-80h80v80h320v-80h80v80h40q33 0 56.5 23.5T840-720v560q0 33-23.5 56.5T760-80zm0-80h560v-400H200zm0-480h560v-80H200zm0 0v-80z"/></svg>

icons/dark/close.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 -960 960 960" width="24px" fill="#EA3323"><path d="m256-200-56-56 224-224-224-224 56-56 224 224 224-224 56 56-224 224 224 224-56 56-224-224-224 224Z"/></svg>

icons/icons.yaml

@@ -1,4 +1,5 @@
 icon_path: icons/
+
 locked: locked.svg
 logo: logo.ico
 show_password: visibility_off.svg
@@ -14,4 +15,5 @@ semester: semester.svg
 template_fail: test_fail.svg
 offAction: shutdown.svg
 info: info.svg
-help: help.svg
+help: help.svg
+close: close.svg

icons/light/close.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 -960 960 960" width="24px" fill="#EA3323"><path d="m256-200-56-56 224-224-224-224 56-56 224 224 224-224 56 56-224 224 224 224-56 56-224-224-224 224Z"/></svg>