Commit cabal file to the repo to get rid of stack warning

.gitignore

@@ -1,7 +1,6 @@
 node_modules
 .serverless
 .stack-work
-*.cabal
 /example-project/package-lock.json
 /integration-test/run
 /dist

serverless-haskell.cabal

@@ -0,0 +1,107 @@
+cabal-version: 1.12
+
+-- This file has been generated from package.yaml by hpack version 0.34.4.
+--
+-- see: https://github.com/sol/hpack
+
+name:           serverless-haskell
+version:        0.12.6
+synopsis:       Deploying Haskell code onto AWS Lambda using Serverless
+description:    Utilities to help process the events from AWS Lambda when deployed with the serverless-haskell plugin.
+category:       AWS, Cloud, Network
+homepage:       https://github.com/seek-oss/serverless-haskell#readme
+bug-reports:    https://github.com/seek-oss/serverless-haskell/issues
+maintainer:     akotlyarov@seek.com.au
+license:        MIT
+license-file:   LICENSE
+build-type:     Simple
+extra-source-files:
+    README.md
+
+source-repository head
+  type: git
+  location: https://github.com/seek-oss/serverless-haskell
+
+library
+  exposed-modules:
+      AWSLambda
+      AWSLambda.Events
+      AWSLambda.Events.APIGateway
+      AWSLambda.Events.KinesisEvent
+      AWSLambda.Events.MessageAttribute
+      AWSLambda.Events.Records
+      AWSLambda.Events.S3Event
+      AWSLambda.Events.SNSEvent
+      AWSLambda.Events.SQSEvent
+      AWSLambda.Handler
+      AWSLambda.Orphans
+      Data.Aeson.Alternative
+      Data.Aeson.Embedded
+      Data.Aeson.TextValue
+  other-modules:
+      Paths_serverless_haskell
+  hs-source-dirs:
+      src
+  ghc-options: -Wall
+  build-depends:
+      aeson
+    , aeson-casing
+    , amazonka-core ==2.0.*
+    , amazonka-kinesis ==2.0.*
+    , amazonka-s3 ==2.0.*
+    , base >=4.7 && <5
+    , bytestring
+    , case-insensitive
+    , containers
+    , http-client
+    , http-types
+    , iproute
+    , lens
+    , safe-exceptions
+    , text
+    , time
+    , unix
+    , unordered-containers
+  default-language: Haskell2010
+
+test-suite tests
+  type: exitcode-stdio-1.0
+  main-is: Spec.hs
+  other-modules:
+      AWSLambda.Events.APIGatewaySpec
+      AWSLambda.Events.KinesisEventSpec
+      AWSLambda.Events.S3EventSpec
+      AWSLambda.Events.SNSEventSpec
+      AWSLambda.Events.SQSEventSpec
+      Data.Aeson.AlternativeSpec
+      Data.Aeson.EmbeddedSpec
+      Data.Aeson.TestUtil
+      Paths_serverless_haskell
+  hs-source-dirs:
+      test
+  ghc-options: -Wall
+  build-depends:
+      aeson
+    , aeson-casing
+    , amazonka-core ==2.0.*
+    , amazonka-kinesis ==2.0.*
+    , amazonka-s3 ==2.0.*
+    , base >=4.7 && <5
+    , bytestring
+    , case-insensitive
+    , containers
+    , hspec
+    , hspec-discover
+    , http-client
+    , http-types
+    , iproute
+    , lens
+    , raw-strings-qq
+    , safe-exceptions
+    , serverless-haskell
+    , text
+    , time
+    , transformers
+    , unix
+    , unordered-containers
+  default-language: Haskell2010