add screenshots

Author: Voldrix

.github/screen1.png

@@ -2,28 +2,29 @@
 A single page, ultra minimalist, read-only database table viewer. Written in PHP for MySQL / MariaDB databases.
 
 ## Description
-Other database tools like Adminer / PHPMyAdmin are great for when you need control over your databases. But if you just need to view the contents of your databases, their UI can be a bit bulky for that. 
+Other database tools like Adminer / PHPMyAdmin are great for when you need control over your databases. But if you just need to view the contents of your databases, their UI can be a bit bulky for that.\
 This interface is designed to use your whole viewing window for the actual contents of your databases.
 
 ## Usage
-The welcome screen will display only a list of database is you have added. 
+The welcome screen will display only a list of databases you have added. 
 To add a new database, hover your cursor at the bottom of the screen. 
 - If hostname is left blank, it will default to localhost.
 - The 'private' toggle switch will set a cookie that makes that database only viewable to you. Otherwise anyone who visits this page can see it. This is denoted by a lock icon next to it in the database list.
-Remove a database by clicking on it, then clicking the trash icon in the top right
-
-Click on a table name header to pull and display its contents below. 
-Click on a column header to sort the table client-side. 
-Right-click (long press on mobile) on a column header to have the database sort the table server-side. 
+- Remove a database by clicking on it, then clicking the trash icon in the top right.
+Click on a table name header to pull and display that table below.\
+Click on a table's column header to sort the table client-side.\
+Right-click (long press on mobile) on a column header to have the database sort the table server-side.\
 Hover over the database name to see the user and hostname.
 
 The database credential cache is stored in /tmp/MyTableViewer and is readable (0600) only to your webserver user (e.g. www-data).
 
+![screen1](.github/screen1.png) ![screen2](.github/screen2.png) ![screen3](.github/screen3.png)
+
 ### Releases
-There are no releases since there is nothing to assemble. The code in the page is ready to go. If releases make it easier to download, I can create them, just let me know.
+There is no code to assemble, so the release is just [MyTableViewer.php](MyTableViewer.php)
 
 ## Contributing
-This is my first ever open source project, and I am not primarily a developer. You are very welcome to contribute, but please be patient while I get the hang of this. 
+This is my first open source project, and I am not primarily a developer, so you are welcome to contribute, but please be patient while I get the hang of this.\
 The code is also as minimalistic as possible, so you should be able to easily make any changes that might be unique to your preference.
 
 ## License