feat: add stanza python script

stanza/run.py

@@ -0,0 +1,27 @@
+import stanza
+
+language = input()
+try:
+    nlp = stanza.Pipeline(language)
+except ValueError:
+    exit(1)
+print("done")
+
+while True:
+    contents = ""
+    while True:
+        line = input()
+        if line == "":
+            break;
+        contents += line + "\n"
+
+    doc = nlp(contents)
+
+    print("[")
+    for sent_index, sent in enumerate(doc.sentences):
+        for word_index, word in enumerate(sent.words):
+            # If it's not the first word, print a comma to conform to json syntax
+            if not (word_index == 0 and sent_index == 0):
+                print(",")
+            print(word, end="")
+    print("\n]")