Improve README formatting and add emojis (#1041)

Author: sbryngelson

README.md

@@ -38,6 +38,9 @@
   <a href="https://github.com/MFlowCode/MFC/releases">
     <img src="https://img.shields.io/github/v/release/MFlowCode/MFC?display_name=release" />
   </a>
+  <a href="https://github.com/MFlowCode/homebrew-mfc">
+    <img src="https://img.shields.io/badge/homebrew-mflowcode%2Fmfc%2Fmfc-brown?logo=homebrew&style=flat" />
+  </a>	
 </p>
 
 <p align="center">
@@ -59,9 +62,9 @@ MFC runs at exascale on the world's fastest supercomputers:
 
 | Path | Command |
 | --- | --- |
-| **Codespaces** (fastest) | Click the "Codespaces" badge above to launch in 1 click |
-| **Homebrew** (macOS) | `brew install mflowcode/mfc/mfc && mfc $(brew --prefix mfc)/examples/1D_sodshocktube/case.py -n 2` |
-| **Local build** | `./mfc.sh build -j $(nproc) && ./mfc.sh test -j $(nproc)` |
+| **Codespaces** (fastest) 💨 | Click the "Codespaces" badge above to launch in 1 click |
+| **Homebrew** (macOS) 🍺 | `brew install mflowcode/mfc/mfc && mfc $(brew --prefix mfc)/examples/1D_sodshocktube/case.py -n 2` |
+| **Local build** 💻 | `./mfc.sh build -j $(nproc) && ./mfc.sh test -j $(nproc)` |
 
 **Welcome!**
 MFC simulates compressible multi-phase flows, [among other things](#what-else-can-this-thing-do). 
@@ -127,6 +130,16 @@ And here is a high-amplitude acoustic wave reflecting and emerging through a cir
 
 ## Getting started
 
+You can navigate [to this webpage](https://mflowcode.github.io/documentation/md_getting-started.html) to get you get started using MFC on your local machine, cluster, or supercomputer!
+It's rather straightforward.
+Some examples are below.
+
+### Codespaces and Containers
+
+  <a href="https://github.com/codespaces/new?hide_repo_select=true&ref=master&repo=MFlowCode%2FMFC">
+    <img src="https://img.shields.io/badge/Codespaces-Open%20in%201%20click-2ea44f?logo=github" />
+  </a>
+  
 For a _very_ quick start, open a GitHub Codespace to load a pre-configured Docker container and familiarize yourself with MFC commands.
 Click <kbd> <> Code</kbd> (green button at top right) → <kbd>Codespaces</kbd> (right tab) → <kbd>+</kbd> (create a codespace).
 
@@ -135,11 +148,12 @@ Click <kbd> <> Code</kbd> (green button at top right) → <kbd>Codespaces</kbd>
 > Don't conduct any critical work here!
 > To learn more, please see [how Docker & Containers work](https://mflowcode.github.io/documentation/md_docker.html).
 
-You can navigate [to this webpage](https://mflowcode.github.io/documentation/md_getting-started.html) to get you get started using MFC on your local machine, cluster, or supercomputer!
-It's rather straightforward.
-
 ### macOS quick start (Homebrew)
 
+<a href="https://github.com/MFlowCode/homebrew-mfc">
+<img src="https://img.shields.io/badge/homebrew-mflowcode%2Fmfc%2Fmfc-brown?logo=homebrew&style=flat" />
+</a>
+
 Install the prebuilt package and run an example:
 
 ```bash