Add maximize and minimize icons

CHANGELOG.md

@@ -93,7 +93,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
   - `lock`
   - `mail`
   - `maximize`
+  - `maximize-2`
   - `minimize`
+  - `minimize-2`
   - `minus`
   - `moon`
   - `plus`

icons-manifest.json

@@ -57,6 +57,8 @@
   "alert-octagon",
   "maximize",
   "minimize",
+  "maximize-2",
+  "minimize-2",
   "bell",
   "bell-off",
   "activity",

icons/maximize-2.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">
+  <polyline points="15 3 21 3 21 9"/>
+  <polyline points="9 21 3 21 3 15"/>
+  <line x1="21" y1="3" x2="14" y2="10"/>
+  <line x1="3" y1="21" x2="10" y2="14"/>
+</svg>
\ No newline at end of file

icons/minimize-2.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">
+  <polyline points="4 14 10 14 10 20"/>
+  <polyline points="20 10 14 10 14 4"/>
+  <line x1="14" y1="10" x2="21" y2="3"/>
+  <line x1="3" y1="21" x2="10" y2="14"/>
+</svg>
\ No newline at end of file