basic csv support

+ csv imports
+ import options
+ type detection
+ bool, number, date, text, email and json types supported

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+  "deno.enable": true,
+  "deno.lint": true,
+  "editor.defaultFormatter": "denoland.vscode-deno"
+}