[feat] added horde support, added spec2 requirements that didn't implemented

src/ts/horde/getModels.ts

@@ -0,0 +1,34 @@
+import { sleep } from "../util"
+
+let modelList:string[]|'loading' = null
+
+//until horde is ready
+modelList = []
+
+export async function getHordeModels():Promise<string[]> {
+    
+    if(modelList === null){
+        try {
+            modelList = 'loading'
+            const models = await fetch("https://stablehorde.net/api/v2/status/models?type=text")
+            modelList = ((await models.json()).map((a) => {
+                return a.name
+            }) as string[])
+            return modelList
+        } catch (error) {
+            modelList = null
+            return []        
+        }
+    }
+    else if(modelList === 'loading'){
+        while(true){
+            if(modelList !== 'loading'){
+                return getHordeModels()
+            }
+            await sleep(10)
+        }
+    }
+    else{
+        return modelList
+    }
+}