docs: added basic readme file

README.md

@@ -1 +1,33 @@
 # golang-app-template
+
+Golang application template for GitHub.
+
+Contains:
+- Basic running Go code (just a `cmd` so everything else works)
+- A `Makefile` with some Quality of Life for contributing and executing common tasks.
+- A `Containerfile` with a boilerplate container with no dependencies.
+- [Goreleaser](https://goreleaser.com) configuration and CI.
+- A basic Helm chart
+- Github actions to build, test and release binaries and container images to the Github container registry.
+
+
+## Using the template
+
+1. Press the **Use this template** button at the top of this repository.
+2. Find and replace `golang-app-template` everywhere you need
+3. Rename `cmd/golang-app-template`
+4. `make quick-run`
+
+## Makefile
+
+```
+$ make help
+         build: builds the project for the setup os/arch combinations
+         clean:  clean test cache, build files
+        format: Executes the formatting pipeline on the project
+          help: this screen. Keep it first target to be default
+          lint: Check the project for errors
+     quick-run: Executes the project using golang
+           run: Executes the project build locally
+          test: Runs the test suite
+```