added beginner courses for solidity (#8091)

* added beginner courses for solidity

* arranged in alphabetical order

* swapped as per build info

* swapped 1116 and 1117

* swap 1116 and 1117

* arranged in alphanum order

* added blank space

* Configured to playlist

* Changed to playlist ( eat the blocks)

courses/free-courses-en.md

@@ -1180,6 +1180,9 @@
 
 * [Learn Solidity](https://youtube.com/playlist?list=PL16WqdAj66SCOdL6XIFbke-XQg2GW_Avg) - Will it Scale (YouTube)
 * [MASTER Solidity for Blockchain](https://youtube.com/playlist?list=PLS5SEs8ZftgVnWHv2_mkvJjn5HBOkde3g) - Dapp University (YouTube)
+* [Solidity 101](https://www.youtube.com/playlist?list=PLYORQHvGMg-WS5r8UjaWnnAeCHTH3wRaF) - Secureum
+* [Solidity 201](https://www.youtube.com/playlist?list=PLYORQHvGMg-V9w6UZ_YOQYjG5NPqnRwdc) - Secureum
+* [Solidity Tutorial](https://www.youtube.com/playlist?list=PLbbtODcOYIoE0D6fschNU4rqtGFRpk3ea) - EatTheBlocks
 * [Solidity Tutorial - A Full Course on Ethereum, Blockchain Development, Smart Contracts, and the EVM](https://www.youtube.com/watch?v=ipwxYa-F1uY) - Gregory McCubbin @ freeCodeCamp.org & Dapp University (YouTube)