changed canvas size

[adarrssh]

Fixes #1227

Changes:

Fixed the canvas sizes of

1. Forces example (https://p5js.org/examples/simulate-forces.html)
2. Flocking example (https://p5js.org/examples/simulate-flocking.html)
3. Wolfman example CA (https://p5js.org/examples/simulate-wolfram-ca.html)
4. SmokeParticles example (https://p5js.org/examples/simulate-smokeparticles.html)

Screenshots of the change:

1. Forces example canvas Before the changes

Forces example canvas After the changes

2. Flocking example canvas Before the changes

Flocking example canvas After the changes

3. Wolfman CA example canvas Before the changes

Wolfman CA example canvas After the changes

4. SmokeParticles example canvas Before the changes

SmokeParticles example canvas After the changes

[adarrssh]

Hey @Qianqianye, please take a look at this pr 🙂

[Qianqianye]

Thank you @adarrssh for making the edits and @3ru for reviewing. I'd suggest to discuss further in the issue before we move forward with a solution in this PR.

[Qianqianye]

Since we decided another approach to solve this problem in the issue #1227, I will close this PR for organizational purpose.