Add missing playing cards suit icons (#1018)

* Add `spade` (missing playing card suit) icon

* Add `club` (missing playing card suit) icon

* Improve `heart` and `diamond` metadata

* Update spade.svg

* Optimize club.svg

---------

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

icons/club.json

@@ -0,0 +1,13 @@
+{
+  "$schema": "../icon.schema.json",
+  "tags": [
+    "shape",
+    "suit",
+    "playing",
+    "cards"
+  ],
+  "categories": [
+    "shapes",
+    "gaming"
+  ]
+}

icons/club.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="M17.28 9.05a5.5 5.5 0 1 0-10.56 0A5.5 5.5 0 1 0 12 17.66a5.5 5.5 0 1 0 5.28-8.6Z" />
+  <path d="M12 17.66L12 22" />
+</svg>

icons/diamond.json

@@ -5,9 +5,13 @@
     "rectangle",
     "oblique",
     "rhombus",
-    "shape"
+    "shape",
+    "suit",
+    "playing",
+    "cards"
   ],
   "categories": [
-    "shapes"
+    "shapes",
+    "gaming"
   ]
 }

icons/heart.json

@@ -3,13 +3,17 @@
   "tags": [
     "like",
     "love",
-    "emotion"
+    "emotion",
+    "suit",
+    "playing",
+    "cards"
   ],
   "categories": [
     "medical",
     "social",
     "multimedia",
     "emoji",
-    "gaming"
+    "gaming",
+    "shapes"
   ]
 }

icons/spade.json

@@ -0,0 +1,13 @@
+{
+  "$schema": "../icon.schema.json",
+  "tags": [
+    "shape",
+    "suit",
+    "playing",
+    "cards"
+  ],
+  "categories": [
+    "shapes",
+    "gaming"
+  ]
+}

icons/spade.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="M5 9c-1.5 1.5-3 3.2-3 5.5A5.5 5.5 0 0 0 7.5 20c1.8 0 3-.5 4.5-2 1.5 1.5 2.7 2 4.5 2a5.5 5.5 0 0 0 5.5-5.5c0-2.3-1.5-4-3-5.5l-7-7-7 7Z"/>
+  <path d="M12 18v4"/>
+</svg>