Move stuff to data folder, so I can just gitignore that entire folder

.gitignore

@@ -4,5 +4,5 @@
 # Binary name built by nimble
 nimblog
 
-# Database
-blog.db
+# Blog data
+data/*

src/nimblog.nim

@@ -1,8 +1,9 @@
 when isMainModule:
   import tables
-  import modules/blog
-  import modules/env
-  import modules/db
+  import os
+  import modules/[blog, env, db]
+
+  let dataDir: string = "data"
 
   let settings = {
     "debug": boolEnvOrDefault("DEBUG", false),
@@ -10,10 +11,14 @@ when isMainModule:
   }.toTable()
 
   let dbSettings = {
-    "path": "blog.db",
+    "path": dataDir & "/" & "blog.db",
     "schema_path": "schema.sql"
   }.toTable()
 
+  if not dirExists(dataDir):
+    echo "Created data directory"
+    createDir(dataDir)
+
   if not createDb(dbSettings):
     echo "Failed to prepare database"
     quit(QuitFailure)