Icons: Beaker, Flasks, Pipette (#135)

* Add: Beaker, Flasks, Pipette

* Tag spacing

tags.json

@@ -17,6 +17,7 @@
   "bar-chart": ["statistics", "diagram", "graph"],
   "bar-chart-2": ["statistics", "diagram", "graph"],
   "battery": ["power", "electricity"],
+  "beaker": ["cup"],
   "battery-charging": ["power", "electricity"],
   "bell": ["alarm", "notification", "sound"],
   "bell-off": ["alarm", "notification", "silent"],
@@ -78,6 +79,8 @@
   "film": ["movie", "video"],
   "filter": ["funnel", "hopper"],
   "flag": ["report"],
+  "flask-conical": ["beaker", "erlenmeyer"],
+  "flask-round": ["beaker"],
   "folder-minus": ["directory"],
   "folder-plus": ["directory"],
   "folder": ["directory"],
@@ -156,6 +159,7 @@
   "phone": ["call"],
   "play": ["music", "start"],
   "pie-chart": ["statistics", "diagram"],
+  "pipette": ["eye dropper", "color picker"],
   "play-circle": ["music", "start"],
   "plus": ["add", "new"],
   "plus-circle": ["add", "new"],