Add dev services

- Development dotenvs
- Caddy service
- Redis service
- Postgres service
- Fix env parser error

Signed-off-by: Asai Neko <sugar@sne.moe>

service/check/handler.go

@@ -0,0 +1,9 @@
+package check
+
+import "github.com/gin-gonic/gin"
+
+func Handler(r *gin.RouterGroup) {
+	r.GET("/test", func(ctx *gin.Context) {
+		ctx.JSON(200, gin.H{"Test": "Test"})
+	})
+}