docs: add code covnert

code/text-to-code.py

@@ -0,0 +1,25 @@
+# open datasets/text-to-code/java.jsonl and fetch the first 4000 items
+# ```
+# output format:
+# [{
+#   instruction: "text to java code",
+#   input: items[index].text,
+#   output: items[index].code
+# }]
+
+import json
+
+with open('../datasets/text-to-code/java.jsonl', 'r') as f:
+    data = [json.loads(row) for row in f.readlines()]
+
+data = data[:4000]
+
+with open('../datasets/text-to-code/java-train.jsonl', 'w') as f:
+    for row in data:
+        item = {
+            'instruction': 'text to java code',
+            'input': row['text'],
+            'output': row['code']
+        }
+
+        f.write(json.dumps(item) + '\n')