routers: add GET /api/version

Expose WAS_VERSION on /api/version so we can show the version in the UI.

Closes: #50

app/main.py

@@ -42,6 +42,7 @@
 from .routers import ota
 from .routers import release
 from .routers import status
+from .routers import version
 
 
 logging.basicConfig(
@@ -135,6 +136,7 @@ def api_redirect_admin():
 app.include_router(ota.router)
 app.include_router(release.router)
 app.include_router(status.router)
+app.include_router(version.router)
 
 
 # WebSockets with params return 403 when done with APIRouter

app/routers/version.py

@@ -0,0 +1,21 @@
+from logging import getLogger
+
+from fastapi import APIRouter, Request
+from fastapi.responses import JSONResponse
+
+from app.settings import settings
+
+log = getLogger("WAS")
+
+router = APIRouter(
+    prefix="/api",
+)
+
+
+@router.get("/version")
+async def api_get_version(request: Request):
+    log.debug('API GET VERSION: Request')
+
+    was_version = settings.was_version
+
+    return JSONResponse({'was_version': was_version})