phase7: add minimal read-only drf api with player search endpoints

apps/api/urls.py

@@ -0,0 +1,19 @@
+from django.urls import path
+
+from .views import (
+    CompetitionListApiView,
+    PlayerDetailApiView,
+    PlayerSearchApiView,
+    SeasonListApiView,
+    TeamListApiView,
+)
+
+app_name = "api"
+
+urlpatterns = [
+    path("players/", PlayerSearchApiView.as_view(), name="players"),
+    path("players/<int:pk>/", PlayerDetailApiView.as_view(), name="player_detail"),
+    path("competitions/", CompetitionListApiView.as_view(), name="competitions"),
+    path("teams/", TeamListApiView.as_view(), name="teams"),
+    path("seasons/", SeasonListApiView.as_view(), name="seasons"),
+]