Add maximize and minimize icons

CHANGELOG.md

@@ -89,6 +89,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
   - `layout`
   - `lock`
   - `mail`
+  - `maximize`
+  - `minimize`
   - `minus`
   - `moon`
   - `plus`

icons-manifest.json

@@ -53,6 +53,8 @@
   "alert-circle",
   "alert-triangle",
   "alert-octagon",
+  "maximize",
+  "minimize",
   "bell",
   "bell-off",
   "activity",

icons/maximize.svg

+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#000" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+  <path d="M8,3H5A2,2,0,0,0,3,5V8"/>
+  <path d="M21,8V5a2,2,0,0,0-2-2H16"/>
+  <path d="M16,21h3a2,2,0,0,0,2-2V16"/>
+  <path d="M3,16v3a2,2,0,0,0,2,2H8"/>
+</svg>
\ No newline at end of file

icons/minimize.svg

+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#000" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+  <path d="M8,3V6A2,2,0,0,1,6,8H3"/>
+  <path d="M21,8H18a2,2,0,0,1-2-2V3"/>
+  <path d="M16,21V18a2,2,0,0,1,2-2h3"/>
+  <path d="M3,16H6a2,2,0,0,1,2,2v3"/>
+</svg>
\ No newline at end of file