Update docs to reflect new CLI directory structure

[adelavega]

Related neuroscout-cli PR: neuroscout/neuroscout-cli#127

[adelavega]

A quick review of the neuroscout-cli usage would be appreciated. The directory restructuring is explained in more detail in the other PR, but the docs give a nice overall summary.

Let me know if that seems intuitive enough.

[cypress]

---

Test summary

0 • 7 • 0 • 0

---

Run details

Project	Neuroscout
Status	Failed
Commit	24b79c6
Started	Apr 22, 2021 9:46 PM
Ended	Apr 22, 2021 9:47 PM
Duration	00:43 💡
OS	Linux Ubuntu - 20.04
Browser	Electron 87

View run in Cypress Dashboard ➡️

---

Failures

	analysis_builder.spec.js		1
1	Analysis Builder > analysis builder
	home_spec.js		6
1	The Home Page > successfully loads
2	The Home Page > navigation bar contents
3	The Home Page > splash page contents
4	The Home Page > test sign up button 1
5	The Home Page > test sign up button 2
6	The Home Page > test sign in button

---

This comment has been generated by cypress-bot as a result of this project's GitHub integration settings. You can manage this integration in this project's settings in the Cypress Dashboard

[cypress]

---

Test summary

0 • 7 • 0 • 0

---

Run details

Project	Neuroscout
Status	Failed
Commit	e97c3f0 ℹ️
Started	Apr 22, 2021 9:46 PM
Ended	Apr 22, 2021 9:47 PM
Duration	00:54 💡
OS	Linux Ubuntu - 20.04
Browser	Electron 87

View run in Cypress Dashboard ➡️

---

Failures

	analysis_builder.spec.js		1
1	Analysis Builder > analysis builder
	home_spec.js		6
1	The Home Page > successfully loads
2	The Home Page > navigation bar contents
3	The Home Page > splash page contents
4	The Home Page > test sign up button 1
5	The Home Page > test sign up button 2
6	The Home Page > test sign in button

---

This comment has been generated by cypress-bot as a result of this project's GitHub integration settings. You can manage this integration in this project's settings in the Cypress Dashboard