admin: fix Decap render (script in body, yaml MIME), Gitea OAuth backend + CORS, simple workflow

app/src/main.go

@@ -6,6 +6,7 @@ package main
 import (
 	"embed"
 	"log"
+	"mime"
 	"net/http"
 	"os"
 )
@@ -15,6 +16,10 @@ import (
 var web embed.FS
 
 func main() {
+	// Decap CMS requires config.yml served as a YAML content type (it checks the header).
+	_ = mime.AddExtensionType(".yml", "application/yaml")
+	_ = mime.AddExtensionType(".yaml", "application/yaml")
+
 	root := os.Getenv("KONTRA_CONTENT")
 	if root == "" {
 		root = "content"