Fix alignment and indent

Author: exoego

README.md

@@ -15,16 +15,15 @@ libraryDependencies += "net.exoego" %%% "scala-js-nodejs-v8" % "0.8.0"
 
 ## Support matrix
 
-|  | ScalaJS 0.6.28+ | ScalaJS 1.x |
-|---|:---:|:---:|
+|            | ScalaJS 0.6.28+    | ScalaJS 1.x    |
+|------------|:------------------:|:--------------:|
 | Scala 2.13 | :heavy_check_mark: | :construction: | 
 | Scala 2.12 | :heavy_check_mark: | :construction: |
-| Scala 2.11 | - | - |
-| Scala 2.10 | - | - |
+| Scala 2.11 | N/A                | N/A            |
+| Scala 2.10 | N/A                | N/A            |
 
-* :heavy_check_mark:: Supported
-* :construction:: Not supported but planned
-
+- :heavy_check_mark:: Supported
+- :construction:: Not supported but planned
 
 ### Supported Modules