refactor(styles): move styles for additional components into their own packages

packages/core/src/style.css

@@ -144,32 +144,6 @@
   pointer-events: all;
 }
 
-/* additional components */
-
-.react-flow__controls {
-  position: absolute;
-  z-index: 5;
-  bottom: 20px;
-  left: 15px;
-
-  &-button {
-    width: 24px;
-    height: 24px;
-    border: none;
-
-    svg {
-      width: 100%;
-    }
-  }
-}
-
-.react-flow__minimap {
-  position: absolute;
-  z-index: 5;
-  bottom: 20px;
-  right: 15px;
-}
-
 .react-flow__attribution {
   font-size: 10px;
   position: absolute;

packages/core/src/theme-default.css

@@ -98,34 +98,3 @@
     cursor: crosshair;
   }
 }
-
-.react-flow__minimap {
-  background-color: #fff;
-}
-
-.react-flow__controls {
-  box-shadow: 0 0 2px 1px rgba(0, 0, 0, 0.08);
-
-  &-button {
-    background: #fefefe;
-    border-bottom: 1px solid #eee;
-    box-sizing: content-box;
-    display: flex;
-    justify-content: center;
-    align-items: center;
-    width: 16px;
-    height: 16px;
-    cursor: pointer;
-    user-select: none;
-    padding: 5px;
-
-    svg {
-      max-width: 12px;
-      max-height: 12px;
-    }
-
-    &:hover {
-      background: #f4f4f4;
-    }
-  }
-}