Add some api docs

Tesses.YouTubeDownloader.Server/res/apiv1_routes.json

@@ -0,0 +1,47 @@
+[
+    {
+        "route": "/api/v1/video.json",
+        "method": "GET",
+        "queryParams": [
+            {
+                "name": "v",
+                "type": "string",
+                "description": "The 11 character videoid"
+            }
+        ],
+        "description": "Returns json object like https://tesses.net/apps/tytd/2025/video-example.json or null if video doesn't exist"
+    },
+    {
+        "route": "/api/v1/downloads.json",
+        "method": "GET",
+        "queryParams": [
+            {
+                "name": "q",
+                "type": "string?",
+                "description": "The search parameter"
+            },
+            {
+                "name": "type",
+                "type": "string?",
+                "description": "Whether you are searching for videos, playlists, channels or personal (defaults to videos)"
+            },
+            {
+                "name": "page",
+                "type": "long?",
+                "description": "The page to retreve, starts at 1 and defaults to 1"
+            },
+            {
+                "name": "count",
+                "type": "long?",
+                "description": "The entries to return, defaults to 20"
+            }
+        ],
+        "description": "Query or browse the downloads"
+    },
+    {
+        "route": "/api/v1/database.db",
+        "method": "GET",
+        "queryParams": [],
+        "description": "Download the database"
+    }
+]