docs: added themes preview (anuraghazra#115)

* Adding themes.md file

* Update and rename THEMES.md to README.md

* Added link to theme preview README

* Removed Dark/Light sections, combined into 1 table

* Update README.md

* Updated "Add your theme" link to open in edit mode

readme.md

@@ -83,7 +83,7 @@ dark, radical, merko, gruvbox, tokyonight, onedark, cobalt, synthwave, highcontr
 
 <img src="https://res.cloudinary.com/anuraghazra/image/upload/v1595174536/grs-themes_l4ynja.png" alt="Github Readme Stat Themes" width="600px"/>
 
-Check out more themes at [theme config file](./themes/index.js) & **you can also contribute new themes** if you like :D
+You can look at a preview for [all available themes](./themes/README.md) or checkout the [theme config file](./themes/index.js) & **you can also contribute new themes** if you like :D
 
 ### Customization
 

themes/README.md

@@ -0,0 +1,62 @@
+## Available Themes
+
+With inbuilt themes you can customize the look of the card without doing any manual customization.
+
+Use `?theme=THEME_NAME` parameter like so :-
+
+```md
+![Anurag's github stats](https://github-readme-stats.vercel.app/api?username=anuraghazra&theme=dark&show_icons=true
+```
+
+## Stats
+
+> These themes work both for the Stats Card and Repo Card.
+
+|                               |                                        |                                              |
+| :---------------------------: | :------------------------------------: | :------------------------------------------: |
+| `default` ![default][default] |     `radical` ![radical][radical]      |           `merko` ![merko][merko]            |
+| `gruvbox` ![gruvbox][gruvbox] | `tokyonight` ![tokyonight][tokyonight] |        `onedark` ![onedark][onedark]         |
+|  `cobalt` ![cobalt][cobalt]   |  `synthwave` ![synthwave][synthwave]   | `highcontrast` ![highcontrast][highcontrast] |
+| `dracula` ![dracula][dracula] |          `dark` ![dark][dark]          |         [Add your theme][add-theme]          |
+
+## Repo Card
+
+> These themes work both for the Stats Card and Repo Card.
+
+|                                                          |                                                 |                                                       |
+| :------------------------------------------------------: | :---------------------------------------------: | :---------------------------------------------------: |
+| `default_repocard` ![default_repocard][default_repocard] |     `radical` ![radical][radical_repocard]      |           `merko` ![merko][merko_repocard]            |
+|          `gruvbox` ![gruvbox][gruvbox_repocard]          | `tokyonight` ![tokyonight][tokyonight_repocard] |        `onedark` ![onedark][onedark_repocard]         |
+|           `cobalt` ![cobalt][cobalt_repocard]            |  `synthwave` ![synthwave][synthwave_repocard]   | `highcontrast` ![highcontrast][highcontrast_repocard] |
+|          `dracula` ![dracula][dracula_repocard]          |     `dark` ![dark_repocard][dark_repocard]      |              [Add your theme][add-theme]              |
+
+<!-- Repo Card Theme previews -->
+
+[default_repocard]: https://github-readme-stats.vercel.app/api/pin/?username=anuraghazra&repo=github-readme-stats&theme=default_repocard
+[dark_repocard]: https://github-readme-stats.vercel.app/api/pin/?username=anuraghazra&repo=github-readme-stats&theme=dark
+[radical_repocard]: https://github-readme-stats.vercel.app/api/pin/?username=anuraghazra&repo=github-readme-stats&theme=radical
+[merko_repocard]: https://github-readme-stats.vercel.app/api/pin/?username=anuraghazra&repo=github-readme-stats&theme=merko
+[gruvbox_repocard]: https://github-readme-stats.vercel.app/api/pin/?username=anuraghazra&repo=github-readme-stats&theme=gruvbox
+[cobalt_repocard]: https://github-readme-stats.vercel.app/api/pin/?username=anuraghazra&repo=github-readme-stats&theme=cobalt
+[dark_repocard]: https://github-readme-stats.vercel.app/api/pin/?username=anuraghazra&repo=github-readme-stats&theme=dark
+[dracula_repocard]: https://github-readme-stats.vercel.app/api/pin/?username=anuraghazra&repo=github-readme-stats&theme=dracula
+[tokyonight_repocard]: https://github-readme-stats.vercel.app/api/pin/?username=anuraghazra&repo=github-readme-stats&theme=tokyonight
+[synthwave_repocard]: https://github-readme-stats.vercel.app/api/pin/?username=anuraghazra&repo=github-readme-stats&theme=synthwave
+[onedark_repocard]: https://github-readme-stats.vercel.app/api/pin/?username=anuraghazra&repo=github-readme-stats&theme=onedark
+[highcontrast_repocard]: https://github-readme-stats.vercel.app/api/pin/?username=anuraghazra&repo=github-readme-stats&theme=highcontrast
+
+<!-- Stats Theme previews -->
+
+[default]: https://github-readme-stats.vercel.app/api?username=anuraghazra&theme=default&hide=["contribs","prs"]
+[dark]: https://github-readme-stats.vercel.app/api?username=anuraghazra&theme=dark&hide=["contribs","prs"]
+[radical]: https://github-readme-stats.vercel.app/api?username=anuraghazra&theme=radical&hide=["contribs","prs"]
+[merko]: https://github-readme-stats.vercel.app/api?username=anuraghazra&theme=merko&hide=["contribs","prs"]
+[gruvbox]: https://github-readme-stats.vercel.app/api?username=anuraghazra&theme=gruvbox&hide=["contribs","prs"]
+[tokyonight]: https://github-readme-stats.vercel.app/api?username=anuraghazra&theme=tokyonight&hide=["contribs","prs"]
+[onedark]: https://github-readme-stats.vercel.app/api?username=anuraghazra&theme=onedark&hide=["contribs","prs"]
+[cobalt]: https://github-readme-stats.vercel.app/api?username=anuraghazra&theme=cobalt&hide=["contribs","prs"]
+[synthwave]: https://github-readme-stats.vercel.app/api?username=anuraghazra&theme=synthwave&hide=["contribs","prs"]
+[highcontrast]: https://github-readme-stats.vercel.app/api?username=anuraghazra&theme=highcontrast&hide=["contribs","prs"]
+[dracula]: https://github-readme-stats.vercel.app/api?username=anuraghazra&theme=dracula&hide=["contribs","prs"]
+
+[add-theme]: https://github.com/anuraghazra/github-readme-stats/edit/master/themes/index.js