NOISSUE - Add Developers Guide

docs/developer-guide.md

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 # Developer's Guide
+
+## Getting Propeller
+
+Propeller source can be found in the official Propeller GitHub repository. You should fork this repository in order to make changes to the project. The forked version of the repository should be cloned using the following:
+
+```bash
+git clone https://github.com/your-github-username/propeller.git $SOMEPATH/propeller
+cd $SOMEPATH/propeller
+```
+
+## Building Propeller
+
+### Prerequisites
+
+To build Propeller, you will need the following:
+
+- [A Go compiler (Go 1.23 or later)](https://go.dev/doc/install)
+- [Make](https://www.gnu.org/software/make/manual/make.html)
+- [Docker](https://docs.docker.com/)
+- [Wasmtime](https://wasmtime.dev/)
+- [TinyGo](https://tinygo.org/getting-started/install/)
+
+### Building
+
+Use the GNU Make tool to build all Propeller services:
+
+```bash
+make all
+```
+
+This will build Propeller for your platforms.
+
+To build Propeller for other platforms, use the following:
+
+| OS      | Architecture | Command                              |
+| ------- | ------------ | ------------------------------------ |
+| Linux   | amd64        | `GOOS=linux GOARCH=amd64 make all`   |
+| Linux   | arm64        | `GOOS=linux GOARCH=arm64 make all`   |
+| Windows | amd64        | `GOOS=windows GOARCH=amd64 make all` |
+| Darwin  | amd64        | `GOOS=darwin GOARCH=amd64 make all`  |
+
+### Building an individual service
+
+You can build individual services using the following:
+
+```bash
+make <service>
+```
+
+For example, to build the `manager` service, use the following:
+
+```bash
+make manager
+```
+
+The built binaries will be located in the `build` directory.
+
+### Building examples
+
+You can build examples using the following:
+
+```bash
+make <example>
+```
+
+For example, to build the `addition` example, use the following:
+
+```bash
+make addition
+```
+
+This compiles the addition example to wasm and can be located in the `build` directory.
+
+To test the addition example, use the following:
+
+```bash
+wasmtime --invoke add ./build/addition.wasm 1 2
+```
+
+This will output something like:
+
+```bash
+warning: using `--invoke` with a function that takes arguments is experimental and may break in the future
+warning: using `--invoke` with a function that returns values is experimental and may break in the future
+3
+```
+
+## Installing
+
+Once you have built Propeller, you can install it using the following:
+
+```bash
+make install
+```
+
+This will install Propeller to the `GOBIN` directory.
+
+## Linter
+
+Propeller uses [golangci-lint](https://golangci-lint.run/) to lint the code. You can run the linter using the following:
+
+```bash
+make lint
+```
+
+## Magistrala
+
+### Starting Magistrala
+
+To start Magistrala, use the following:
+
+```bash
+make start-magistrala
+```
+
+This will in the background run `docker compose -f docker/compose.yaml up -d` which will start the Magistrala services.
+
+You can override the configuration or add some extra parameters to the docker compose configuration.
+
+### Stopping Magistrala
+
+Magistrala can be stopped using the following:
+
+```bash
+make stop-magistrala
+```