Init commit.

Add: the initial project structure.

Add: root command and a `version` command that print the version string of the app.

README.md

@@ -0,0 +1,32 @@
+# MyGO Server
+
+This is the server backend of MyGO.
+
+## TODO
+
+- [ ] CLI
+- [ ] Web (JWT) Authentication
+- [ ] User Administration APIs
+- [ ] File upload and download (HTTP)
+
+## Usage
+
+To run the server simply:
+
+```bash
+mygo web
+```
+
+To run the server with specified configuration file (default: `./config.yml`):
+
+```bash
+mygo web -c /path/to/config.yml
+```
+
+## Commands
+
+### mygo web
+
+Run the HTTP web server and listen on the specified port.
+
+