cli: insert -> add

cli/app/Main.hs

@@ -33,7 +33,7 @@ cmd_ =
         O.progDesc "Manage content collections"
     ]
 
-data CollectionCmd = CollectionInsert
+data CollectionCmd = CollectionAdd
   { filePath :: CollectionPath
   }
 
@@ -59,13 +59,13 @@ instance Show CollectionPath where
 collectionCmd :: O.Parser Cmd
 collectionCmd =
   fmap Collection . O.hsubparser . mconcat $
-    [ O.command "insert" . O.info collectionInsertCmd $
-        O.progDesc "Insert an entity"
+    [ O.command "add" . O.info collectionAddCmd $
+        O.progDesc "Add an entity"
     ]
 
-collectionInsertCmd :: O.Parser CollectionCmd
-collectionInsertCmd =
-  CollectionInsert
+collectionAddCmd :: O.Parser CollectionCmd
+collectionAddCmd =
+  CollectionAdd
     <$> collectionPathArg
 
 collectionPathArg :: O.Parser CollectionPath
@@ -78,7 +78,7 @@ main = do
     Args
       { cmd =
           Collection
-            CollectionInsert
+            CollectionAdd
               { filePath = CollectionPath {collectionName, fileName}
               }
       } ->