Merge pull request #1 from p2panda/add-setup-instructions

Add "Getting Started" section to README

README.md

@@ -1,3 +1,24 @@
 # Aardvark
 
 MVP local-first text editor :)
+
+## Getting Started
+
+The [GNOME Builder IDE](https://builder.readthedocs.io/) is
+required to build and run the project. It can be installed with flatpak.
+
+1. [Install flatpak](https://flatpak.org/setup/) for your distribution.
+
+2. Install [Builder](https://flathub.org/apps/org.gnome.Builder) for GNOME:
+
+`flatpak install flathub org.gnome.Builder`
+
+3. Clone the aardvark repo:
+
+`git clone git@github.com:p2panda/aardvark.git && cd aardvark`
+
+4. Open the Builder application and navigate to the aardvark repo.
+   - You may be prompted to install or update the SDK in Builder.
+
+5. Run the project with `Shift+Ctrl+Space` or click the ► icon (top-middle
+   of the Builder appication).