feat(icons): added mound-shovel icon (#4329)

* Added icons/sandpile.svg

* Added icons/sandpile.json

* Update icons/sandpile.json

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* Update tags and categories in mound-shovel.json

Removed unnecessary tags and added shovel-related tags. also added environment to categories

* renamed icon file

sand-shovel to mound-shovel

* Add files via upload

* Adjusted metadata

* extends from shovel

* Fix typo in karsas username

* Update icons/mound-shovel.json

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* Add EOL

* Update mound-shovel.json

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Eric <eric.fennis@gmail.com>
Co-authored-by: Karsa <karsa@karsa.org>

icons/mound-shovel.json

@@ -0,0 +1,45 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "jwlinqx",
+    "karsa-mistmere"
+  ],
+  "use-cases": [
+    "Marking sand sites or sand mines on logistics route maps",
+    "Labeling navigation items for browsing sand and aggregate types",
+    "Showing material stockpiles in construction or mining software",
+    "Marking sandy beach areas in travel or recreation guides"
+  ],
+  "tags": [
+    "$extends:shovel",
+    "sand",
+    "pile",
+    "grain",
+    "desert",
+    "nature",
+    "dirt pile",
+    "sand pile",
+    "dirt",
+    "soil",
+    "earth",
+    "gravel",
+    "heap",
+    "stockpile",
+    "aggregate",
+    "excavation",
+    "earthworks",
+    "mine",
+    "mining",
+    "quarry",
+    "sand mine",
+    "frac sand",
+    "construction",
+    "construction site",
+    "landscaping",
+    "beach"
+  ],
+  "categories": [
+    "tools",
+    "nature"
+  ]
+}

icons/mound-shovel.svg

@@ -0,0 +1,16 @@
+<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="m16 16 1.553-3.106a1 1 0 0 0-.447-1.341l-2.212-1.106a1 1 0 0 0-1.341.447l-1.193 2.387" />
+  <path d="m20 3-4 8" />
+  <path d="M21 21a1 1 0 0 0 .599-1.801c-1.333-.998-.992-4.21-3.599-4.199-1.271.006-1.5 1-2 1-2.5 0-3.209-4-6.5-4-5.106 0-4 5.107-7.059 7.17A1 1 0 0 0 3 21z" />
+  <path d="m22 4-4-2" />
+</svg>