tutorial: add tutorial compiling script and conversion script

.gitignore

@@ -26,3 +26,4 @@ Setup
 shell.nix
 default.nix
 doc/_build
+doc/venv

servant-examples/tutorial/check/check.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+set -o errexit
+
+# tinc
+
+cabal exec -- ghc -Wall -Werror -outputdir build-output ../api-type.lhs -O0 -c -pgmL markdown-unlit
+#cabal exec -- ghc -Wall -Werror -outputdir build-output ../server.lhs -O0 -c -fno-warn-missing-methods -fno-warn-name-shadowing
+#cabal exec -- ghc -Wall -Werror -outputdir build-output ../client.lhs -O0 -c -fno-warn-missing-methods -fno-warn-name-shadowing
+#cabal exec -- ghc -Wall -Werror -outputdir build-output ../javascript.lhs -O0 -c -fno-warn-missing-methods
+#cabal exec -- ghc -Wall -Werror -ibuild-output -outputdir build-output ../docs.lhs -O0 -c -fno-warn-missing-methods

servant-examples/tutorial/check/tinc.yaml

@@ -0,0 +1,15 @@
+dependencies:
+  - name: servant
+    path: ../../../servant
+  - name: servant-server
+    path: ../../../servant-server
+  - name: servant-client
+    path: ../../../servant-client
+  - name: servant-js
+    path: ../../../servant-js
+  - name: servant-lucid
+    path: ../../../servant-lucid
+  - name: servant-docs
+    path: ../../../servant-docs
+  - name: servant-foreign
+    path: ../../../servant-foreign

servant-examples/tutorial/convert.hs

@@ -0,0 +1,30 @@
+
+import           Control.Arrow
+import           Data.Foldable
+import           Data.List
+import           System.Environment
+
+main = do
+  files <- getArgs
+  forM_ files $ \ file -> do
+    convertM file
+
+convertM :: FilePath -> IO ()
+convertM file = do
+  contents <- readFile file
+  seq (length contents) (return ())
+  writeFile file (convert contents)
+
+convert :: String -> String
+convert =
+  lines >>>
+  groupBy (\ a b -> take 1 a == take 1 b) >>>
+  map go >>>
+  concat >>>
+  unlines
+  where
+    go :: [String] -> [String]
+    go (a : r)
+      | ">" `isPrefixOf` a
+        = "``` haskell" : map (drop 2) (a : r) ++ "```" : []
+    go x = x