docs: Add required doc files

[yashlamba]

• CHANGELOG.md
• CONTRIBUTORS.md
• Project docs from MVG
• SIMULATION_IDEAS.md

These should be present on the main mkdocs site.

[srimontidutta]

Can I please contribute to this issue? (GSSoC)

[SavneetKaur01]

I would love to work on this issue. I am a GSSOC'21 participant and I would provide you with the best possible code in Python Language. Looking forward to contribute here.

[yashlamba]

@srimontidutta @SavneetKaur01 go ahead! Let me know where you need help on gitter or discord.

[srimontidutta]

I do not have a Gitter account. Can we please communicate on Discord? @yashlamba

[SavneetKaur01]

@yashlamba Can you please tell me the username you have on Discord?

[yashugarg]

@srimontidutta @SavneetKaur01 you can discuss anything about this in the "simulate" project channel in GSSOC21 server

[Sibasish-Padhy]

@yashugarg sir I am participant in gssoc 2021 can i please contribute in fixing this issue.I

[srimontidutta]

@yashugarg We cannot access the project channels yet. When will they be visible to us?

[yashugarg]

@yashugarg We cannot access the project channels yet. When will they be visible to us?

You'll get the access tonight

[yashugarg]

@yashugarg sir I am participant in gssoc 2021 can i please contribute in fixing this issue.I

Sure

[Ronak8602]

Hello @yashlamba, I saw this project on discord .
I am a gssoc21 participant can I work on this issue

[Furquan712]

I would like to work on this, will you assign me?