docs(build): add text build steps for Linux, Mac

and Windows

Primary Changes
----------------
1. Updated BUILD.md to include Mac OS specific
installation instructions.

Fixes #1963

Signed-off-by: ashnashahgrover <as19@williams.edu>

BUILD.md

@@ -2,6 +2,7 @@
 - [Fast Developer Flow / Code Iterations](#fast-developer-flow--code-iterations)
 - [Getting Started](#getting-started)
     - [Random Windows specific issues not covered here](#random-windows-specific-issues-not-covered-here)
+    - [MacOS specific instructions] (#MacOS-specific-instructions) 
 - [Build Script Decision Tree](#build-script-decision-tree)
 - [Configuring SSH to use upterm](#configuring-ssh-to-use-upterm)
 
@@ -154,6 +155,30 @@ At this point, with the running API server, you can
 We recommend that you use WSL2 or any Linux VM (or bare metal).
 We test most frequently on Ubuntu 20.04 LTS
 
+#### MacOS specific instructions 
+* Use preset environment:
+  * [VSCode docker container](./.devcontainer)
+* ... or install OS level dependencies manually:
+  * Git
+    * https://github.com/git-guides/install-git#install-git-on-mac
+  * NodeJS v18.19.0, npm v10.2.3 (we recommend using the Node Version Manager (nvm) if available for your OS)
+    ```
+    nvm install 18.19.0
+    nvm use 18.19.0
+    ```
+  * Yarn
+    * `npm run enable-corepack` (from within the project directory)
+  * [Docker Engine is available on Mac OS through Docker Engine](https://docs.docker.com/desktop/install/mac-install/). 
+  * Docker Compose
+    * Installing Docker Desktop on Mac will include Docker Compose 
+  * OpenJDK (Corda support Java 8 JDK but do not currently support Java 9 or higher)
+    * [Follow instructions for Mac here](https://github.com/supertokens/supertokens-core/wiki/Installing-OpenJDK-for-Mac-and-Linux)
+  * Indy SDK (optional)
+    * [Build the SDK from source](https://github.com/hyperledger-archives/indy-sdk/blob/main/docs/build-guides/mac-build.md)
+  * Go
+    * [Installing Go](https://go.dev/)
+    * [Adding Environment Variable and Go extensions](https://code.visualstudio.com/docs/languages/go)
+
 ## Build Script Decision Tree
 
 The `npm run watch` script should cover 99% of the cases when it comes to working