Update postgresql instructions

POSTGRES_SETUP.md

@@ -2,21 +2,27 @@
 
 ## OS X
 
-### Option 1 - Postgres.app
+### Option 1 - Postgres.app w/ Homebrew
 
-Download and run [Postgres.app](https://postgresapp.com/) -- a free-standing database server that's super easy to install and start. Grab [pgAdmin](https://www.pgadmin.org/download/pgadmin-4-macos/) and install it.
+1.  First, make sure you have homebrew installed
+2.  Run `brew doctor` and address anything homebrew wants you to fix
+3.  Run `brew install postgresql`
+4.  Download and run [Postgres.app](https://postgresapp.com/) -- a free-standing database server that's super easy to install and start. Grab [pgAdmin](https://www.pgadmin.org/download/pgadmin-4-macos/) and install it.
+5.  Grab [pgAdmin](https://www.pgadmin.org/download/pgadmin-4-macos/) and install it.
 
-### Option 2 - Homebrew
+### Option 2 - Homebrew Only
 
-1. First, make sure you have homebrew installed
-2. Run `brew doctor` and address anything homebrew wants you to fix
-3. Run `brew install postgresql`
-4. Grab [pgAdmin](https://www.pgadmin.org/download/pgadmin-4-macos/) and install it.
+1.  First, make sure you have homebrew installed
+2.  Run `brew doctor` and address anything homebrew wants you to fix
+3.  Run `brew install postgresql`
+4.  Run `brew services restart postgresql`
+5.  Grab [pgAdmin](https://www.pgadmin.org/download/pgadmin-4-macos/) and install it.
 
 ## Windows
 
-1. Grab the [the appropriate windows installer](https://www.postgresql.org/download/windows/) and run it.
-2. Put the DLLs in your `C:\WINDOWS\system32` folder
+1.  Grab the [the appropriate windows installer](https://www.postgresql.org/download/windows/) and run it.
+2.  Put the DLLs in your `C:\WINDOWS\system32` folder
+3.  Grab [pgAdmin](https://www.pgadmin.org/download/pgadmin-4-macos/) and install it.
 
 ## Linux