font(jitsi): add ninja icon

css/_font.scss

 .icon-mic-disabled:before {
     content: "\e912";
 }
+.icon-ninja:before {
+    content: "\e909";
+}
 .icon-raised-hand:before {
     content: "\e91e";
 }

fonts/jitsi.svg

 <glyph unicode="&#xe906;" glyph-name="chat" d="M854 342v512h-684v-598l86 86h598zM854 938c46 0 84-38 84-84v-512c0-46-38-86-84-86h-598l-170-170v768c0 46 38 84 84 84h684z" />
 <glyph unicode="&#xe907;" glyph-name="edit" d="M884 724l-78-78-160 160 78 78c16 16 44 16 60 0l100-100c16-16 16-44 0-60zM128 288l472 472 160-160-472-472h-160v160z" />
 <glyph unicode="&#xe908;" glyph-name="share-doc" d="M554 640h236l-236 234v-234zM682 426v86h-340v-86h340zM682 256v86h-340v-86h340zM598 938l256-256v-512c0-46-40-84-86-84h-512c-46 0-86 38-86 84l2 684c0 46 38 84 84 84h342z" />
+<glyph unicode="&#xe909;" glyph-name="ninja" d="M330.667 469.333c-0.427 14.933 6.4 29.44 17.92 39.253 32-6.827 61.867-20.053 88.747-39.253 0-29.013-23.893-52.907-53.333-52.907s-52.907 23.467-53.333 52.907zM586.667 469.333c26.88 18.773 56.747 32 88.747 38.827 11.52-9.813 18.347-24.32 17.92-38.827 0-29.867-23.893-53.76-53.333-53.76s-53.333 23.893-53.333 53.76v0zM512 640c-118.187 1.707-234.667-27.733-338.347-85.333l-2.987-42.667c0-52.48 12.373-104.107 35.84-151.040 101.12 15.36 203.093 23.040 305.493 23.040s204.373-7.68 305.493-23.040c23.467 46.933 35.84 98.56 35.84 151.040l-2.987 42.667c-103.68 57.6-220.16 87.040-338.347 85.333zM512 938.667c235.641 0 426.667-191.025 426.667-426.667s-191.025-426.667-426.667-426.667c-235.641 0-426.667 191.025-426.667 426.667s191.025 426.667 426.667 426.667z" />
 <glyph unicode="&#xe90a;" glyph-name="star-full" d="M512 288l-264-160 70 300-232 202 306 26 120 282 120-282 306-26-232-202 70-300z" />
 <glyph unicode="&#xe90b;" glyph-name="full-screen" d="M598 810h212v-212h-84v128h-128v84zM726 298v128h84v-212h-212v84h128zM214 598v212h212v-84h-128v-128h-84zM298 426v-128h128v-84h-212v212h84z" />
 <glyph unicode="&#xe90c;" glyph-name="exit-full-screen" d="M682 682h128v-84h-212v212h84v-128zM598 214v212h212v-84h-128v-128h-84zM342 682v128h84v-212h-212v84h128zM214 342v84h212v-212h-84v128h-128z" />

fonts/selection.json

 {
   "IcoMoonType": "selection",
   "icons": [
+    {
+      "icon": {
+        "paths": [
+          "M330.667 554.667c-0.427-14.933 6.4-29.44 17.92-39.253 32 6.827 61.867 20.053 88.747 39.253 0 29.013-23.893 52.907-53.333 52.907s-52.907-23.467-53.333-52.907zM586.667 554.667c26.88-18.773 56.747-32 88.747-38.827 11.52 9.813 18.347 24.32 17.92 38.827 0 29.867-23.893 53.76-53.333 53.76s-53.333-23.893-53.333-53.76v0zM512 384c-118.187-1.707-234.667 27.733-338.347 85.333l-2.987 42.667c0 52.48 12.373 104.107 35.84 151.040 101.12-15.36 203.093-23.040 305.493-23.040s204.373 7.68 305.493 23.040c23.467-46.933 35.84-98.56 35.84-151.040l-2.987-42.667c-103.68-57.6-220.16-87.040-338.347-85.333zM512 85.333c235.641 0 426.667 191.025 426.667 426.667s-191.025 426.667-426.667 426.667c-235.641 0-426.667-191.025-426.667-426.667s191.025-426.667 426.667-426.667z"
+        ],
+        "attrs": [
+          {}
+        ],
+        "isMulticolor": false,
+        "isMulticolor2": false,
+        "grid": 24,
+        "tags": [
+          "ninja"
+        ]
+      },
+      "attrs": [
+        {}
+      ],
+      "properties": {
+        "order": 851,
+        "id": 121,
+        "name": "ninja",
+        "prevSize": 32,
+        "code": 59657
+      },
+      "setIdx": 0,
+      "setId": 1,
+      "iconIdx": 0
+    },
+    {
+      "icon": {
+        "paths": [
+          "M282 460c62 120 162 220 282 282l94-94c12-12 30-16 44-10 48 16 100 24 152 24 24 0 42 18 42 42v150c0 24-18 42-42 42-400 0-726-326-726-726 0-24 18-42 42-42h150c24 0 42 18 42 42 0 54 8 104 24 152 4 14 2 32-10 44z"
+        ],
+        "attrs": [],
+        "isMulticolor": false,
+        "isMulticolor2": false,
+        "tags": [
+          "phone"
+        ],
+        "defaultCode": 57549,
+        "grid": 24
+      },
+      "attrs": [],
+      "properties": {
+        "ligatures": "call, local_phone, phone",
+        "id": 120,
+        "order": 848,
+        "prevSize": 32,
+        "code": 57549,
+        "name": "phone"
+      },
+      "setIdx": 0,
+      "setId": 1,
+      "iconIdx": 41
+    },
     {
       "icon": {
         "paths": [
       },
       "setIdx": 0,
       "setId": 1,
-      "iconIdx": 0
+      "iconIdx": 1
     },
     {
       "icon": {
       },
       "setIdx": 0,
       "setId": 1,
-      "iconIdx": 1
+      "iconIdx": 2
     },
     {
       "icon": {
       },
       "setIdx": 0,
       "setId": 1,
-      "iconIdx": 2
+      "iconIdx": 3
     },
     {
       "icon": {
       },
       "setIdx": 0,
       "setId": 1,
-      "iconIdx": 3
+      "iconIdx": 4
     },
     {
       "icon": {
       "attrs": [],
       "properties": {
         "id": 4,
-        "order": 63,
+        "order": 849,
         "ligatures": "call_end",
         "prevSize": 32,
         "code": 59653,
       },
       "setIdx": 0,
       "setId": 1,
-      "iconIdx": 4
+      "iconIdx": 5
     },
     {
       "icon": {
       },
       "setIdx": 0,
       "setId": 1,
-      "iconIdx": 5
+      "iconIdx": 6
     },
     {
       "icon": {
       },
       "setIdx": 0,
       "setId": 1,
-      "iconIdx": 6
+      "iconIdx": 7
     },
     {
       "icon": {
       },
       "setIdx": 0,
       "setId": 1,
-      "iconIdx": 7
+      "iconIdx": 8
     },
     {
       "icon": {
       },
       "setIdx": 0,
       "setId": 1,
-      "iconIdx": 8
+      "iconIdx": 9
     },
     {
       "icon": {
       "setIdx": 0,
       "setId": 1,
       "iconIdx": 40
-    },
-    {
-      "icon": {
-        "paths": [
-          "M282 460c62 120 162 220 282 282l94-94c12-12 30-16 44-10 48 16 100 24 152 24 24 0 42 18 42 42v150c0 24-18 42-42 42-400 0-726-326-726-726 0-24 18-42 42-42h150c24 0 42 18 42 42 0 54 8 104 24 152 4 14 2 32-10 44z"
-        ],
-        "attrs": [],
-        "isMulticolor": false,
-        "isMulticolor2": false,
-        "tags": [
-          "phone"
-        ],
-        "defaultCode": 57549,
-        "grid": 24
-      },
-      "attrs": [],
-      "properties": {
-        "ligatures": "call, local_phone, phone",
-        "id": 120,
-        "order": 848,
-        "prevSize": 24,
-        "code": 57549,
-        "name": "phone"
-      },
-      "setIdx": 1,
-      "setId": 0,
-      "iconIdx": 120
     }
   ],
   "height": 1024,