Updated render-selection screenshot

	new file:   src/_locales/ja/markdown-here-image2.txt
	new file:   src/_locales/ja/screenshot-captions.txt
	renamed:    store-assets/markdown-here-chrome-options.gimp.png -> store-assets/markdown-here-chrome-options-1.gimp.png
	renamed:    store-assets/markdown-here-chrome-options.gimp.xcf -> store-assets/markdown-here-chrome-options-1.gimp.xcf
	new file:   store-assets/markdown-here-image1.gimp.ja.png
	modified:   store-assets/markdown-here-image1.gimp.xcf
	new file:   store-assets/markdown-here-image2.gimp.ja.png
	modified:   store-assets/markdown-here-image2.gimp.xcf
Created Japanese options page screenshot