Add module with an info file parser

slackbuilder.cabal

@@ -18,9 +18,13 @@ extra-source-files: CHANGELOG.md
 common dependencies
   build-depends:
     base ^>= 4.16.4.0,
+    bytestring ^>= 0.11.0,
     cryptonite >= 0.30,
     filepath ^>= 1.4.2,
+    megaparsec ^>= 9.5,
     modern-uri ^>= 0.3.6,
+    memory ^>= 0.18,
+    parser-combinators ^>= 1.3,
     text ^>= 2.0,
     tomland ^>= 1.3.3,
     transformers ^>= 0.5.6
@@ -28,18 +32,21 @@ common dependencies
   default-extensions:
     DataKinds
     DuplicateRecordFields
+    ExplicitForAll
     LambdaCase
     NamedFieldPuns
     OverloadedStrings
     RecordWildCards
     QuasiQuotes
     TemplateHaskell
+    TupleSections
     TypeApplications
 
 library
   import: dependencies
   exposed-modules:
     SlackBuilder.Config
+    SlackBuilder.Info
     SlackBuilder.Package
     SlackBuilder.Trans
   hs-source-dirs: lib
@@ -58,7 +65,6 @@ executable slackbuilder
     SlackBuilder.Updater
   build-depends:
     aeson ^>= 2.2.0,
-    bytestring ^>= 0.11.0,
     conduit ^>= 1.3.5,
     http-client ^>= 0.7,
     optparse-applicative ^>= 0.18.1,
@@ -77,10 +83,12 @@ test-suite slackbuilder-test
   main-is: Spec.hs
 
   other-modules:
+    SlackBuilder.InfoSpec
     SlackBuilder.PackageSpec
   hs-source-dirs: tests
   build-depends:
     hspec >= 2.10.9 && < 2.12,
+    hspec-megaparsec ^>= 2.2,
     slackbuilder
 
   ghc-options: -threaded -rtsopts -with-rtsopts=-N -Wall