feat: added pilcrow-left icon (#1667)

* Fixed Illustrator template link + fixed typo

* Added `pilcrow-left` icon

* Update pilcrow-left.json

* Update illustrator-guide.md

* Update CONTRIBUTING.md

* update pilcrow-left icon

* Formatting pilcrow-left.json

---------

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

.cspell/custom-words.txt

@@ -8,6 +8,7 @@ squircle
 strikethrough
 touchpad
 ungroup
+pilcrow
 
 # Brands
 codepen

icons/pilcrow-left.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "zaaakher",
+    "danielbayley",
+    "jonas-hoebenreich"
+  ],
+  "tags": [
+    "direction",
+    "paragraph",
+    "mark",
+    "paraph",
+    "blind",
+    "typography",
+    "type",
+    "text",
+    "prose",
+    "symbol"
+  ],
+  "categories": [
+    "text"
+  ]
+}