update categories

src/_icons/123.svg

@@ -2,6 +2,7 @@
 tags: [numbers, digit, one, two, three]
 unicode: "f554"
 version: "1.106"
+category: Numbers
 ---
 <svg>
   <path d="M3 10l2 -2v8" />

src/_icons/24-hours.svg

@@ -2,6 +2,7 @@
 tags: [clock, time, day, support, service]
 unicode: "f5e7"
 version: "1.113"
+category: Map
 ---
 <svg>
   <path d="M20 11a8.1 8.1 0 0 0 -15.5 -2m-.5 -4v4h4" />

src/_icons/alpha.svg

@@ -2,6 +2,7 @@
 tags: [letter, alphabet, greek, math ]
 version: "1.105"
 unicode: "f543"
+category: Letters
 ---
 <svg>
   <path d="M18.1 6c-1.1 2.913 -1.9 4.913 -2.4 6c-1.879 4.088 -3.713 6 -6 6c-2.4 0 -4.8 -2.4 -4.8 -6s2.4 -6 4.8 -6c2.267 0 4.135 1.986 6 6c.512 1.102 1.312 3.102 2.4 6" />

src/_icons/antenna-bars-off.svg

@@ -2,6 +2,7 @@
 tags: [signal, wireless, wi-fi, quality]
 version: "1.62"
 unicode: "f0aa"
+category: Devices
 ---
 <svg>
   <path d="M6 18v-3" />

src/_icons/antenna-off.svg

@@ -1,4 +1,5 @@
 ---
+category: Devices
 tags: [reach, tv, network, connetion, signal, communication]
 unicode: "f3bb"
 version: "1.94"

src/_icons/antenna.svg

@@ -1,6 +1,7 @@
 ---
 tags: [reach, tv, network, connetion, signal, communication]
 version: "1.61"
+category: Devices
 unicode: "f094"
 ---
 <svg>

src/_icons/baby-bottle.svg

@@ -2,6 +2,7 @@
 tags: [kid, milk, child, food, drink, feeding]
 unicode: "f5d2"
 version: "1.112"
+category: Health
 ---
 <svg>
   <path d="M5 10h14" />

src/_icons/baby-carriage.svg

@@ -2,6 +2,7 @@
 tags: [child, infant, cradle, pram]
 version: "1.58"
 unicode: "f05d"
+category: Health
 ---
 <svg>
   <path d="M8 19m-2 0a2 2 0 1 0 4 0a2 2 0 1 0 -4 0" />

src/_icons/ballpen-off.svg

@@ -1,4 +1,5 @@
 ---
+category: Text
 tags: [write, school, education, stationery, text]
 version: "1.62"
 unicode: "f0b1"

src/_icons/ballpen.svg

@@ -2,6 +2,7 @@
 tags: [write, school, education, stationery, text]
 version: "1.59"
 unicode: "f06e"
+category: Text
 ---
 <svg>
   <path d="M14 6l7 7l-4 4" />