Add missing bookmark-* icons (#1259)

* Add `bookmark-x` icon

* Add `bookmark-off` icon

* Remove `bookmark-off` icon

* Add `bookmark-slash` icon

* Swap `bookmark-slash` with `bookmark-check`

icons/bookmark-check.json

@@ -0,0 +1,16 @@
+{
+  "$schema": "../icon.schema.json",
+  "tags": [
+    "read",
+    "finished",
+    "complete",
+    "clip",
+    "marker",
+    "tag",
+    "task",
+    "todo"
+  ],
+  "categories": [
+    "account"
+  ]
+}

icons/bookmark-check.svg

@@ -0,0 +1,14 @@
+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="m19 21-7-4-7 4V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2Z" />
+  <path d="m9 10 2 2 4-4" />
+</svg>

icons/bookmark-x.json

@@ -0,0 +1,17 @@
+{
+  "$schema": "../icon.schema.json",
+  "tags": [
+    "read",
+    "clip",
+    "marker",
+    "tag",
+    "cancel",
+    "close",
+    "delete",
+    "remove",
+    "clear"
+  ],
+  "categories": [
+    "account"
+  ]
+}

icons/bookmark-x.svg

@@ -0,0 +1,15 @@
+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="m19 21-7-4-7 4V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2Z" />
+  <path d="m14.5 7.5-5 5" />
+  <path d="m9.5 7.5 5 5" />
+</svg>