Improve Doc Generation (#294)

Delete previous docs before regeneration

docs/docs.go

@@ -2,15 +2,30 @@ package main
 
 import (
 	"fmt"
+	"io/ioutil"
 	"os"
+	"path"
 
 	"github.com/cloudquery/cq-provider-aws/resources"
 	"github.com/cloudquery/cq-provider-sdk/provider/docs"
 )
 
 func main() {
-	err := docs.GenerateDocs(resources.Provider(), "./docs")
+	outputPath := "./docs"
+	dir, err := ioutil.ReadDir(outputPath + "/tables")
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "Failed to generate docs: %s\n", err)
+		os.Exit(1)
+	}
+	for _, d := range dir {
+		if err := os.RemoveAll(path.Join([]string{outputPath + "/tables", d.Name()}...)); err != nil {
+			fmt.Fprintf(os.Stderr, "Failed to generate docs: %s\n", err)
+			os.Exit(1)
+		}
+
+	}
+
+	if err = docs.GenerateDocs(resources.Provider(), outputPath); err != nil {
+		fmt.Fprintf(os.Stderr, "Failed to generate docs: %s\n", err)
 	}
 }