Move docs to bulma repo (#299)

* Add package files whitelist

* Add flex shrink

* Add flex shrink

* Add docs config

* Fix flex shrink

* Fix hero pages

* Add docs folder

sass/elements/form.sass

@@ -127,7 +127,9 @@
   +mobile
     margin-bottom: 5px
   +tablet
+    flex-basis: 0
     flex-grow: 1
+    flex-shrink: 0
     margin-right: 20px
     padding-top: 7px
     text-align: right
@@ -162,6 +164,7 @@
           border-radius: 0 $radius $radius 0
       &.is-expanded
         flex-grow: 1
+        flex-shrink: 0
     &.has-addons-centered
       justify-content: center
     &.has-addons-right
@@ -171,6 +174,7 @@
       .input,
       .select
         flex-grow: 1
+        flex-shrink: 0
   &.has-icon
     & > .fa
       +fa(14px, 24px)
@@ -234,6 +238,7 @@
         margin-right: 10px
       &.is-expanded
         flex-grow: 1
+        flex-shrink: 0
     &.is-grouped-centered
       justify-content: center
     &.is-grouped-right
@@ -243,7 +248,9 @@
       display: flex
       & > .control
         display: flex
+        flex-basis: 0
         flex-grow: 5
+        flex-shrink: 1
   &.is-loading
     &:after
       @extend .loader