fix: documentation update breaking urls in test and readme (#1020)

* test: fixed test pointing to removed url file

* chore: updated readme screenshots

Author: fmartingr

README.md

@@ -36,7 +36,7 @@ Shiori is distributed under the terms of the [MIT license][mit], which means you
 [documentation]: https://github.com/go-shiori/shiori/blob/master/docs/index.md
 [mit]: https://choosealicense.com/licenses/mit/
 [web-extension]: https://github.com/go-shiori/shiori-web-ext
-[screenshot]: https://raw.githubusercontent.com/go-shiori/shiori/master/docs/readme/cover.png
-[mode-comparison]: https://raw.githubusercontent.com/go-shiori/shiori/master/docs/readme/comparison.png
+[screenshot]: https://raw.githubusercontent.com/go-shiori/shiori/master/docs/assets/screenshots/cover.png
+[mode-comparison]: https://raw.githubusercontent.com/go-shiori/shiori/master/docs/assets/screenshots/comparison.png
 [pocket]: https://getpocket.com/
 [256]: https://github.com/go-shiori/shiori/issues/256

internal/core/processing_test.go

@@ -39,7 +39,7 @@ func TestDownloadBookImage(t *testing.T) {
 			require.NoError(t, err)
 			require.NoError(t, os.Chdir(tmpDir))
 			// Arrange
-			imageURL := "https://raw.githubusercontent.com/go-shiori/shiori/master/docs/readme/cover.png"
+			imageURL := "https://raw.githubusercontent.com/go-shiori/shiori/master/docs/assets/screenshots/cover.png"
 			dstFile := "." + string(fp.Separator) + "cover.png"
 
 			// Act