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/shutdown.go

@@ -0,0 +1,30 @@
+package api
+
+import (
+	"net/http"
+	sets "server/settings"
+	"server/torr"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+// shutdown godoc
+// @Summary		Shuts down server
+// @Description	Gracefully shuts down server after 1 second.
+//
+// @Tags			API
+//
+// @Success		200
+// @Router			/shutdown [get]
+func shutdown(c *gin.Context) {
+	if sets.ReadOnly {
+		c.Status(http.StatusForbidden)
+		return
+	}
+	c.Status(200)
+	go func() {
+		time.Sleep(1000)
+		torr.Shutdown()
+	}()
+}