Add word vector router

Author: ppirch

main.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 from fastapi import Depends, FastAPI, Header, HTTPException
 from fastapi.middleware.cors import CORSMiddleware
-from routers import tag, tokenize
+from routers import tag, tokenize, word_vector
 import pythainlp
 
 DESC_TEXT = "Pythainlp API"
@@ -28,3 +28,5 @@ def index():
 
 app.include_router(tag.router, prefix="/tag", tags=["Tag"])
 app.include_router(tokenize.router, prefix="/tokenize", tags=["Tokenize"])
+app.include_router(word_vector.router,
+                   prefix="/word-vector", tags=["Word Vector"])