Update env example and test count

Author: lchoquel

.badges/tests.json

@@ -1,7 +1,7 @@
 {
   "schemaVersion": 1,
   "label": "tests",
-  "message": "3942",
+  "message": "3946",
   "color": "blue",
   "cacheSeconds": 300
 }

.env.example

@@ -22,10 +22,6 @@ ANTHROPIC_API_KEY=
 # To use Mistral models
 MISTRAL_API_KEY=
 
-# To use perplexity, including results from web search
-PERPLEXITY_API_KEY=
-PERPLEXITY_API_ENDPOINT=https://api.perplexity.ai
-
 # To generate images from fal.ai, the service of Forest Labs
 FAL_API_KEY=
 
@@ -42,5 +38,18 @@ GCP_CREDENTIALS_FILE_PATH=gcp_credentials.json
 XAI_API_KEY=
 XAI_API_ENDPOINT=https://api.x.ai/v1/
 
-# To get access to many models with one key from blackbox.ai
 BLACKBOX_API_KEY=
+
+OPENROUTER_API_KEY=
+
+GROQ_API_KEY=
+
+SCALEWAY_ENDPOINT=
+SCALEWAY_API_KEY=
+
+LANGFUSE_PUBLIC_KEY=
+LANGFUSE_SECRET_KEY=
+
+HF_TOKEN=
+
+LINKUP_API_KEY=