add drone CI config

src/process.nim

@@ -28,8 +28,8 @@ proc save(wordCounts: CountTable; dictName, countName: string) =
 
 
 type Config = object
-  srcPath: string,
-  dstPath: string,
+  srcPath: string
+  dstPath: string
 
 
 proc parseInput(): Config =
@@ -41,8 +41,8 @@ proc parseInput(): Config =
   if paramCount() > 1:
     result.dstPath = paramStr(2)
 
-  if not dirExists(basePath):
-    quit("Could not locate datafiles: directory " & basePath & " does not exist.")
+  if not dirExists(result.srcPath):
+    quit("Could not locate datafiles: directory " & result.srcPath & " does not exist.")
 
 
 var