Docs: Add manual installation steps

docs/getting-started.md

@@ -1,20 +1,41 @@
 # Getting Started
 
-OmegaGraf has a few dependencies that must be installed prior to use.
-
 ## Compatibility
 
-**OmegaGraf is supported on Windows and all major Linux distributions.** Our testing is done using Ubuntu, so that will probably be the best experience.
+**OmegaGraf is supported on Windows and all major Linux distributions.** Our testing is done using Ubuntu, so using that will probably result in the best / most bug-free experience.
 
 \* _We do not currently support MacOS, but if you're up for working with the C# Docker package on MacOS, feel free to give it a try!_
 
 ## Installation
 
-OmegaGraf has interactive [installers](https://github.com/MacroPower/OmegaGraf/tree/master/install) that can assist with installation.
+OmegaGraf has a few dependencies that must be installed prior to use.
+
+OmegaGraf has interactive [installers](https://github.com/MacroPower/OmegaGraf/tree/master/install) that can assist with installation. The installers page details prerequisites, and how to run the script.
+
+Alternatively, you can do the following:
+
+- Install `apt-transport-https ca-certificates gnupg2 software-properties-common`
+- Install `docker-ce`. Click for instructions:
+  [Debian](https://docs.docker.com/engine/install/debian/),
+  [Ubuntu](https://docs.docker.com/engine/install/ubuntu/),
+  [CentOS](https://docs.docker.com/engine/install/centos/), or
+  [Fedora](https://docs.docker.com/engine/install/fedora/).
+- Add the user that will be running OmegaGraf, e.g. `$USER`, to the docker group.
+- (Optional) Generate an SSL cert
+  - Install `dotnet-sdk-3.1`. Click for instructions:
+    [Debian](https://docs.microsoft.com/en-us/dotnet/core/install/linux-debian),
+    [Ubuntu](https://docs.microsoft.com/en-us/dotnet/core/install/linux-ubuntu),
+    [CentOS](https://docs.microsoft.com/en-us/dotnet/core/install/linux-centos), or
+    [Fedora](https://docs.microsoft.com/en-us/dotnet/core/install/linux-fedora).
+  - Run `dotnet dev-certs https`.
+  - When you run OmegaGraf, use an `https` listening address.
+- Download an OmegaGraf binary from [releases](https://github.com/MacroPower/OmegaGraf/releases).
+- Ensure you have execute permissions on the binary.
+- See [Using OmegaGraf](#using-omegagraf) for next steps.
 
 ## Using OmegaGraf
 
-The installer will print an example start command. For more help on usage, see the [walkthrough](walkthrough.md).
+The installer will print an example start command, e.g. `./OmegaGraf --host http://0.0.0.0:5000`, which you can use to launch OmegaGraf. For more help on usage, see the [walkthrough](walkthrough.md).
 
 Note: **OmegaGraf currently uses the current _working directory_ to store container data.** Please keep this in mind. If you want to change this behavior, you can supply the `--path` argument along with an absolute or relative path to store data.