Add ampersand icon (#1264)

* Add `ampersand` icon

* Add `ampersands` icon

* Refine `ampersand` icon

* Refine `ampersand` icons

* Update icons/ampersand.svg

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Co-authored-by: Karsa <contact@karsa.org>

icons/ampersand.json

@@ -0,0 +1,16 @@
+{
+  "$schema": "../icon.schema.json",
+  "tags": [
+    "and",
+    "typography",
+    "operator",
+    "join",
+    "concatenate",
+    "code",
+    "&"
+  ],
+  "categories": [
+    "text",
+    "development"
+  ]
+}

icons/ampersand.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="M17.5 12c0 4.4-3.6 8-8 8A4.5 4.5 0 0 1 5 15.5c0-6 8-4 8-8.5a3 3 0 1 0-6 0c0 3 2.5 8.5 12 13" />
+  <path d="M16 12h3" />
+</svg>

icons/ampersands.json

@@ -0,0 +1,14 @@
+{
+  "$schema": "../icon.schema.json",
+  "tags": [
+    "and",
+    "operator",
+    "then",
+    "code",
+    "&&"
+  ],
+  "categories": [
+    "text",
+    "development"
+  ]
+}

icons/ampersands.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="M10 17c-5-3-7-7-7-9a2 2 0 0 1 4 0c0 2.5-5 2.5-5 6 0 1.7 1.3 3 3 3 2.8 0 5-2.2 5-5" />
+  <path d="M22 17c-5-3-7-7-7-9a2 2 0 0 1 4 0c0 2.5-5 2.5-5 6 0 1.7 1.3 3 3 3 2.8 0 5-2.2 5-5" />
+</svg>