Sort rows/columns icons (#1500)

* Optimise `rows` icon

* Optimise `columns` icon

* Improve metadata

* Improve metadata

* Add `rows-3` variant

* Rename `rows` to `rows-2`

* Rename `columns` to `columns-2`

* Add `columns-3` variant

* Add `panels-*` to `aliases`

Moved from #1156.

* Add `rows-4` variant

* Add `columns-4` variant

---------

Co-authored-by: Eric Fennis <[email protected]>

icons/columns-2.json

@@ -0,0 +1,41 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "zenoamaro",
+    "ericfennis",
+    "csandman",
+    "mittalyashu"
+  ],
+  "tags": [
+    "lines",
+    "list",
+    "queue",
+    "preview",
+    "panel",
+    "parallel",
+    "series",
+    "split",
+    "vertical",
+    "horizontal",
+    "half",
+    "center",
+    "middle",
+    "even",
+    "sidebar",
+    "drawer",
+    "gutter",
+    "fold",
+    "reflow",
+    "typography",
+    "pagination",
+    "pages"
+  ],
+  "categories": [
+    "layout",
+    "design",
+    "text"
+  ],
+  "aliases": [
+    "columns"
+  ]
+}

icons/columns-3.json

@@ -0,0 +1,39 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "danielbayley"
+  ],
+  "tags": [
+    "lines",
+    "list",
+    "queue",
+    "preview",
+    "parallel",
+    "series",
+    "split",
+    "vertical",
+    "horizontal",
+    "thirds",
+    "triple",
+    "center",
+    "middle",
+    "alignment",
+    "even",
+    "sidebars",
+    "drawers",
+    "gutters",
+    "fold",
+    "reflow",
+    "typography",
+    "pagination",
+    "pages"
+  ],
+  "categories": [
+    "layout",
+    "design",
+    "text"
+  ],
+  "aliases": [
+    "panels-left-right"
+  ]
+}

icons/columns-4.json

@@ -0,0 +1,50 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "danielbayley"
+  ],
+  "tags": [
+    "lines",
+    "list",
+    "queue",
+    "preview",
+    "parallel",
+    "series",
+    "split",
+    "vertical",
+    "horizontal",
+    "thirds",
+    "triple",
+    "center",
+    "middle",
+    "alignment",
+    "even",
+    "sidebars",
+    "drawers",
+    "gutters",
+    "fold",
+    "reflow",
+    "typography",
+    "pagination",
+    "pages",
+    "prison",
+    "jail",
+    "bars",
+    "sentence",
+    "police",
+    "cops",
+    "cell",
+    "crime",
+    "criminal",
+    "justice",
+    "law",
+    "enforcement",
+    "grill"
+  ],
+  "categories": [
+    "layout",
+    "design",
+    "text",
+    "security"
+  ]
+}

icons/rows-2.json

@@ -0,0 +1,32 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "danielbayley"
+  ],
+  "tags": [
+    "lines",
+    "list",
+    "queue",
+    "preview",
+    "panel",
+    "paragraphs",
+    "parallel",
+    "series",
+    "split",
+    "vertical",
+    "horizontal",
+    "half",
+    "center",
+    "middle",
+    "even",
+    "drawer"
+  ],
+  "categories": [
+    "layout",
+    "design",
+    "text"
+  ],
+  "aliases": [
+    "rows"
+  ]
+}

icons/rows-3.json

@@ -0,0 +1,31 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "danielbayley"
+  ],
+  "tags": [
+    "lines",
+    "list",
+    "queue",
+    "preview",
+    "paragraphs",
+    "parallel",
+    "series",
+    "split",
+    "vertical",
+    "horizontal",
+    "half",
+    "center",
+    "middle",
+    "even",
+    "drawers"
+  ],
+  "categories": [
+    "layout",
+    "design",
+    "text"
+  ],
+  "aliases": [
+    "panels-top-bottom"
+  ]
+}

icons/rows.json → icons/rows-4.json

@@ -4,13 +4,22 @@
     "danielbayley"
   ],
   "tags": [
-    "split",
     "lines",
+    "list",
     "queue",
+    "preview",
+    "paragraphs",
+    "parallel",
     "series",
-    "list",
+    "split",
     "vertical",
-    "horizontal"
+    "horizontal",
+    "half",
+    "center",
+    "middle",
+    "even",
+    "drawers",
+    "grill"
   ],
   "categories": [
     "layout",