fix cabal file

wasm.cabal

@@ -1,8 +1,27 @@
 name:           wasm
 version:        1.0.0
 author:         Ilya Rezvov
-maintainer:     rezvov.ilya@gmail.com
+maintainer:     Ilya Rezvov <rezvov.ilya@gmail.com>
 license:        MIT
+license-file:   LICENSE
+category:       Compilers/Interpreters
+homepage:       https://github.com/SPY/haskell-wasm/
+bug-reports:    https://github.com/SPY/haskell-wasm/issues
+synopsis:       WebAssembly Language Toolkit and Interpreter
+description:    This package contains fully spec-compatible tooling for WebAssembly.
+                Features include:
+                .
+                * WebAssembly Text Representation Parser
+                .
+                * WebAssembly Binary Representation encoder and decoder
+                .
+                * Spec-compatible Module validator (checked with Spec Core Test Suite)
+                .
+                * Spec-compatible Interpreter (checked with Spec Core Test Suite)
+                .
+                * Extended scipting grammar parser and executor
+                .
+                * WebAssembly Module building eDSL
 build-type:     Simple
 cabal-version:  >= 1.10
 
@@ -50,10 +69,11 @@ executable wasm
   hs-source-dirs: exec
   build-depends:
       base >=4.6 && <5.0
-    , wasm >= 1.0.0
+    , wasm
     , optparse-applicative >= 0.14
     , bytestring >=0.10 && <0.11
     , base64-bytestring >= 1.0
+  default-language: Haskell2010
 
 test-suite test
   type: exitcode-stdio-1.0
@@ -69,7 +89,7 @@ test-suite test
     , tasty >=0.7
     , tasty-hunit >=0.4.1 && <0.10
     , text >=1.1 && <1.3
-    , wasm >= 1.0
+    , wasm
   build-tools:
       alex >=3.1.3
     , happy >=1.9.4