Update gitignore for end user files

.gitignore

@@ -2,3 +2,5 @@
 .vscode/
 logs/
 myriad.cabal
+config.dhall
+myriad

config.example.dhall

@@ -0,0 +1,41 @@
+let LanguageConfig : Type =
+    { name       : Text    -- Name of language as in languages folder
+    , memory     : Text    -- Maximum memory usage
+    , cpus       : Text    -- Maximum CPU usage
+    , timeout    : Natural -- Timeout for code evaluation in seconds
+    , concurrent : Natural -- Maximum number of concurrent evaluations
+    , retries    : Natural -- Maximum number of retries for unsure errors
+    }
+
+-- Creates the default configuration given a language name.
+-- For more customization, use the (//) operator e.g. cfg "haskell" // { timeout = 20 } or write the full record out.
+let cfg = \(name : Text) ->
+    { name       = name
+    , memory     = "256m"
+    , cpus       = "0.25"
+    , timeout    = 20
+    , concurrent = 10
+    , retries    = 2
+    }
+
+let Config : Type =
+    { languages         : List LanguageConfig -- List of languages to enable
+    , buildConcurrently : Bool                -- Whether to build images concurrently
+    , prepareContainers : Bool                -- Whether to setup all containers on startup
+    , cleanupInterval   : Natural             -- The interval in minutes to kill containers periodically
+    , port              : Natural             -- Port to run on
+    , languagesDir      : Text                -- Where the languages are stored
+    }
+
+-- Write your config here!
+let config : Config =
+    { languages =
+        [ cfg "javascript"
+        ]
+    , buildConcurrently = True
+    , prepareContainers = False
+    , cleanupInterval   = 30
+    , port              = 8081
+    , languagesDir      = "./languages"
+    }
+in config