feat(icons): added heart-plus & heart-minus icon (#2842)

* Added icons/heart-plus.svg

* Added icons/heart-plus.json

* fix(icons): increase spacing in heart-plus icon

- Updated icons/heart-plus.svg
- Updated icons/heart-plus.json

* refactor(icons): updated heart-plus icon

- Refined the heart-plus icon design for better clarity.
- Updated its metadata accordingly.

* feat(icons): added heart-minus icon

- Added heart-minus as the inverse of heart-plus.
- Included its metadata file.

* chore(metadata): remove a tag from heart-plus icon metadata

- Update heart-plus.json
- Remove ui & ux metadata tag

---------

Co-authored-by: Eric Fennis <eric.fennis@gmail.com>

icons/heart-minus.json

@@ -0,0 +1,20 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "Ayberkyvs"
+  ],
+  "tags": [
+    "unlike",
+    "unfavorite",
+    "remove",
+    "damage",
+    "ui & ux"
+  ],
+  "categories": [
+    "medical",
+    "account",
+    "multimedia",
+    "gaming",
+    "social"
+  ]
+}

icons/heart-minus.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="M13.5 19.5 12 21l-7-7c-1.5-1.45-3-3.2-3-5.5A5.5 5.5 0 0 1 7.5 3c1.76 0 3 .5 4.5 2 1.5-1.5 2.74-2 4.5-2a5.5 5.5 0 0 1 5.402 6.5" />
+  <path d="M15 15h6" />
+</svg>

icons/heart-plus.json

@@ -0,0 +1,22 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "Ayberkyvs",
+    "UsamaKhan"
+  ],
+  "tags": [
+    "plus",
+    "like",
+    "favorite",
+    "add",
+    "health",
+    "support"
+  ],
+  "categories": [
+    "medical",
+    "account",
+    "multimedia",
+    "gaming",
+    "social"
+  ]
+}

icons/heart-plus.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="M13.5 19.5 12 21l-7-7c-1.5-1.45-3-3.2-3-5.5A5.5 5.5 0 0 1 7.5 3c1.76 0 3 .5 4.5 2 1.5-1.5 2.74-2 4.5-2a5.5 5.5 0 0 1 5.402 6.5" />
+  <path d="M15 15h6" />
+  <path d="M18 12v6" />
+</svg>