Update Config and Doc files

- Update Stack files
- Update NIX pipeline
- Update Cabal for tidal-core
- Add local README.md and LICENSE

flake.nix

@@ -4,6 +4,7 @@
 
     Packages are included for:
     - tidal
+    - tidal-core
     - tidal-link
     - tidal-listener
     - tidal-parse
@@ -45,6 +46,7 @@
       project = pkgs.haskellPackages.extend (pkgs.haskell.lib.compose.packageSourceOverrides {
         hosc = inputs.hosc; # Manually added as `hosc` 0.21 is not yet in nixpkgs.
         tidal = ./.;
+        tidal-core = ./tidal-core;
         tidal-link = ./tidal-link;
         tidal-listener = ./tidal-listener;
         tidal-parse = ./tidal-parse;
@@ -53,6 +55,7 @@
       tidal-ghc = pkgs.haskellPackages.ghcWithPackages (hpkgs: [project.tidal]);
     in {
       tidal = project.tidal;
+      tidal-core = project.tidal-core;
       tidal-link = project.tidal-link;
       tidal-listener = project.tidal-listener;
       tidal-parse = project.tidal-parse;

stack.yaml

@@ -1,13 +1,12 @@
 resolver: lts-22.8
 
 packages:
-  - '.'
-  - 'tidal-parse'
-  - 'tidal-listener'
-  - 'tidal-link'
+  - "."
+  - "tidal-core"
+  - "tidal-parse"
+  - "tidal-listener"
+  - "tidal-link"
 
 extra-deps:
   - hosc-0.21
   - haskellish-0.3.2.2
-
-