Removed redundant words/typos

Fixed words.

Fixed typos

Create 5 - Control Flow I.md

Added contents for General

Create 4 - Stack II.md

Removed redundant word

Added more clarity

Removed asm tags from stack layout diagrams

Update 3 - Stack I.md

Create 3 - Stack I.md

Update 2 - Functions I.md

Update 2 - Functions I.md

Update 2 - Functions I.md

Update README.md