add tags support

Dockerfile

@@ -1,6 +1,5 @@
 # File generated by github.com/posener/goaction. DO NOT EDIT.
 
-
 FROM golang:1.16-alpine3.14
 RUN apk add git 
 

walk.go

@@ -14,8 +14,9 @@ import (
 )
 
 type Front struct {
-	Title string `yaml:"title"`
-	Draft bool   `yaml:"draft"`
+	Title string   `yaml:"title"`
+	Draft bool     `yaml:"draft"`
+	Tags  []string `yaml:"tags"`
 }
 
 // recursively walk directory and return all files with given extension
@@ -52,6 +53,7 @@ func walk(root, ext string, index bool, ignorePaths map[string]struct{}) (res []
 					matter = Front{
 						Title: "Untitled Page",
 						Draft: false,
+						Tags:  []string{},
 					}
 					body = text
 				}
@@ -72,6 +74,7 @@ func walk(root, ext string, index bool, ignorePaths map[string]struct{}) (res []
 						LastModified: info.ModTime(),
 						Title:        title,
 						Content:      body,
+						Tags:         matter.Tags,
 					}
 					res = append(res, parse(s, root)...)
 				} else {