Add openapi API documentation (#294)

* Initial version

- Add OpenAPI documentation generator
- Update README.md to remove endpoint documentations

* Adds new endpoints

- Fixes build with swag
- Adds new endpoints

* Adds more endpoints documentation

- Also removes swag from Dockerfile and build script

* Finally adds all endpoints documentation

* Initial version

- Add OpenAPI documentation generator
- Update README.md to remove endpoint documentations

* Adds new endpoints

- Fixes build with swag
- Adds new endpoints

* Adds more endpoints documentation

- Also removes swag from Dockerfile and build script

* Finally adds all endpoints documentation

* Update README (#1)

* Update README

I completely redid the `README.md`. Now it's much easier to read and understand.

---------

Co-authored-by: cocool97 <34218602+cocool97@users.noreply.github.com>

* Improves documentation

* Delete server/config.db

* Update README.md

* Update README.md

* fix download in api docs

* add api docs to web

---------

Co-authored-by: Shadeov <144587546+shadeov@users.noreply.github.com>
Co-authored-by: nikk gitanes <tsynik@gmail.com>

server/web/api/download.go

@@ -40,6 +40,18 @@ func (f *fileReader) Seek(offset int64, whence int) (int64, error) {
 	return f.pos, nil
 }
 
+// download godoc
+//
+//	@Summary		Generates test file of given size
+//	@Description	Download the test file of given size (for speed testing purpose).
+//
+//	@Tags			API
+//
+//	@Param			size	path	string	true	"Test file size"
+//
+//	@Produce		application/octet-stream
+//	@Success		200 {file} file
+//	@Router			/download/{size} [get]
 func download(c *gin.Context) {
 	szStr := c.Param("size")
 	sz, err := strconv.Atoi(szStr)