use go:embed for static resources (#1107)

* feat: use go:embed to embed static files

* ci: fix broken test

* docs: update readme.md

* chore: remove statik

* feat: simplify code

Co-authored-by: AaronLiu <abslant@126.com>

.travis.yml

@@ -4,10 +4,9 @@ go:
 node_js: "12.16.3"
 git:
   depth: 1
-install:
-  - go get github.com/rakyll/statik
 before_script:
-  - statik -src=models -f
+  - mkdir assets/build
+  - touch assets/build/test.html
 script:
   - go test -coverprofile=coverage.txt -covermode=atomic ./...
 after_success:
@@ -27,4 +26,4 @@ deploy:
   draft: true
   skip_cleanup: true
   on:
-    tags: true
+    tags: true