Extensive examples

[isair]

• Plain example
• Configuration example
• Remote configuration example
• Programmatic configuration example
• Advanced configuration example
• Overlay example
• Timed overlay example
• Pre-roll example
• Pause overlay example
• Post-roll example

Closes #78

[isair]

Reviewed 66 of 66 files at r1, 19 of 20 files at r2, 23 of 23 files at r3.
Review status: all files reviewed at latest revision, all discussions resolved, some commit checks failed.

---

Comments from the review on Reviewable.io

[isair]

Reviewed 2 of 2 files at r4.
Review status: all files reviewed at latest revision, all discussions resolved.

---

Comments from the review on Reviewable.io

[isair]

Reviewed 1 of 1 files at r5.
Review status: all files reviewed at latest revision, all discussions resolved.

---

Comments from the review on Reviewable.io