Adding OS X, chrome, firefox, and edge browsers in init template as default

Author: suryart

bin/templates/configTemplate.js

@@ -9,6 +9,46 @@ module.exports = function () {
         "browser": "chrome",
         "os": "Windows 10",
         "versions": ["78", "77"]
+      },
+      {
+        "browser": "firefox",
+        "os": "Windows 10",
+        "versions": ["74", "75"]
+      },
+      {
+        "browser": "edge",
+        "os": "Windows 10",
+        "versions": ["80", "81"]
+      },
+      {
+        "browser": "chrome",
+        "os": "OS X Mojave",
+        "versions": ["78", "77"]
+      },
+      {
+        "browser": "firefox",
+        "os": "OS X Mojave",
+        "versions": ["74", "75"]
+      },
+      {
+        "browser": "edge",
+        "os": "OS X Mojave",
+        "versions": ["80", "81"]
+      },
+      {
+        "browser": "chrome",
+        "os": "OS X Catalina",
+        "versions": ["78", "77"]
+      },
+      {
+        "browser": "firefox",
+        "os": "OS X Catalina",
+        "versions": ["74", "75"]
+      },
+      {
+        "browser": "edge",
+        "os": "OS X Catalina",
+        "versions": ["80", "81"]
       }
     ],
     "run_settings": {