[Fixes #778] Added and reorganized lecture links (#993)

* Added and reorganized lecture links

* Addressed comments

* Addressed comments

Author: igaray

src/appendix/compiler-lecture.md

@@ -2,26 +2,47 @@
 
 These are videos where various experts explain different parts of the compiler:
 
-- [Tom Tromey discusses debugging support in rustc](https://www.youtube.com/watch?v=elBxMRSNYr4)
-- [How Salsa Works (2019.01)](https://www.youtube.com/watch?v=_muY4HjSqVw)
-- [Salsa In More Depth (2019.01)](https://www.youtube.com/watch?v=i_IhACacPRY)
-- [RLS 2.0, Salsa, and Name Resolution](https://www.youtube.com/watch?v=Xr-rBqLr-G4)
-- [Cranelift](https://www.youtube.com/watch?v=9OIA7DTFQWU)
-- [Rust analyzer guide](https://www.youtube.com/watch?v=ANKBNiSWyfc)
-- [Rust analyzer syntax trees](https://www.youtube.com/watch?v=DGAuLWdCCAI)
-- [rust-analyzer type-checker overview by flodiebold](https://www.youtube.com/watch?v=Lmp3P9WNL8o)
-- [oli-obk on miri and constant evaluation](https://www.youtube.com/watch?v=5Pm2C1YXrvM)
-- [Polonius-rustc walkthrough](https://www.youtube.com/watch?v=i5KdU0ieb_A)
-- [rustc-chalk integration overview](https://www.youtube.com/watch?v=MBWtbDifPeU)
-- [Coherence in Chalk by Sunjay Varma - Bay Area Rust Meetup](https://www.youtube.com/watch?v=rZqS4bLPL24)
-- [How the chalk-engine crate works](https://www.youtube.com/watch?v=Ny2928cGDoM)
-- [How the chalk-engine crate works 2](https://www.youtube.com/watch?v=hmV66tB79LM)
-- [RFC #2229 Disjoint Field Capture plan](https://www.youtube.com/watch?v=UTXOptVMuIc)
-- [closures and upvar capture](https://www.youtube.com/watch?v=fMopdkn5-Xw)
-- [blitzerr closure upvar tys](https://www.youtube.com/watch?v=pLmVhSB-z4s)
-- [Convert Closure Upvar Representation to Tuples with blitzerr](https://www.youtube.com/watch?v=2QCuNtISoYc)
-- [async-await implementation plans](https://www.youtube.com/watch?v=xe2_whJWBC0)
-- [async-await region inferencer](https://www.youtube.com/watch?v=hlOxfkUDLPQ)
-- [Universes and Lifetimes](https://www.youtube.com/watch?v=iV1Z0xYXkck)
-- [Representing types in rustc](https://www.youtube.com/watch?v=c01TsOsr3-c)
-- [Polonius WG: Initialization and move tracking](https://www.youtube.com/watch?v=ilv9V-328HI)
+## General
+- [January 2019: Tom Tromey discusses debugging support in rustc](https://www.youtube.com/watch?v=elBxMRSNYr4)
+- [June 2019: Responsive compilers - Nicholas Matsakis - PLISS 2019](https://www.youtube.com/watch?v=N6b44kMS6OM)
+- [June 2019: Things I Learned (TIL) - Nicholas Matsakis - PLISS 2019](https://www.youtube.com/watch?v=LIYkT3p5gTs)
+
+## Rust Analyzer
+- [January 2019: How Salsa Works](https://www.youtube.com/watch?v=_muY4HjSqVw)
+- [January 2019: Salsa In More Depth](https://www.youtube.com/watch?v=i_IhACacPRY)
+- [January 2019: Rust analyzer guide](https://www.youtube.com/watch?v=ANKBNiSWyfc)
+- [February 2019: Rust analyzer syntax trees](https://www.youtube.com/watch?v=DGAuLWdCCAI)
+- [March 2019: rust-analyzer type-checker overview by flodiebold](https://www.youtube.com/watch?v=Lmp3P9WNL8o)
+- [March 2019: RLS 2.0, Salsa, and Name Resolution](https://www.youtube.com/watch?v=Xr-rBqLr-G4)
+
+## Type System
+- [July 2015: Felix Klock - Rust: A type system you didn't know you wanted - Curry On](https://www.youtube.com/watch?v=Q7lQCgnNWU0)
+- [November 2016: Felix Klock - Subtyping in Rust and Clarke's Third Law](https://www.youtube.com/watch?v=fI4RG_uq-WU)
+- [February 2019: Universes and Lifetimes](https://www.youtube.com/watch?v=iV1Z0xYXkck)
+- [April 2019: Representing types in rustc](https://www.youtube.com/watch?v=c01TsOsr3-c)
+- [March 2019: RFC #2229 Disjoint Field Capture plan](https://www.youtube.com/watch?v=UTXOptVMuIc)
+
+## Closures
+- [October 2018: closures and upvar capture](https://www.youtube.com/watch?v=fMopdkn5-Xw)
+- [October 2018: blitzerr closure upvar tys](https://www.youtube.com/watch?v=pLmVhSB-z4s)
+- [January 2019: Convert Closure Upvar Representation to Tuples with blitzerr](https://www.youtube.com/watch?v=2QCuNtISoYc)
+
+## Chalk
+- [July 2018: Coherence in Chalk by Sunjay Varma - Bay Area Rust Meetup](https://www.youtube.com/watch?v=rZqS4bLPL24)
+- [March 2019: rustc-chalk integration overview](https://www.youtube.com/watch?v=MBWtbDifPeU)
+- [April 2019: How the chalk-engine crate works](https://www.youtube.com/watch?v=Ny2928cGDoM)
+- [May 2019: How the chalk-engine crate works 2](https://www.youtube.com/watch?v=hmV66tB79LM)
+
+## Polonius
+- [March 2019: Polonius-rustc walkthrough](https://www.youtube.com/watch?v=i5KdU0ieb_A)
+- [May 2019: Polonius WG: Initialization and move tracking](https://www.youtube.com/watch?v=ilv9V-328HI)
+
+## Miri
+- [March 2019: oli-obk on miri and constant evaluation](https://www.youtube.com/watch?v=5Pm2C1YXrvM)
+
+## Async
+- [February 2019: async-await implementation plans](https://www.youtube.com/watch?v=xe2_whJWBC0)
+- [April 2019: async-await region inferencer](https://www.youtube.com/watch?v=hlOxfkUDLPQ)
+
+## Code Generation
+- [January 2019: Cranelift](https://www.youtube.com/watch?v=9OIA7DTFQWU)