docs(integrations): add Phoenix DEX multi-hop swap + stealth announce guide (Closes #125) (#139)

Author: sanusishafii989

docs.json

@@ -153,6 +153,7 @@
               "guides/integrations/blend",
               "guides/integrations/fxdao",
               "guides/integrations/nuxt",
+              "guides/integrations/phoenix",
               "guides/integrations/react-native",
               "guides/integrations/reflector",
               "guides/integrations/soroswap"

guides/integrations/_meta.json

@@ -1,4 +1,10 @@
 {
+  "aquarius": "Aquarius",
   "blend": "Blend Lending",
-  "fxdao": "Fxdao CDP"
+  "fxdao": "Fxdao CDP",
+  "nuxt": "Nuxt",
+  "phoenix": "Phoenix DEX",
+  "react-native": "React Native",
+  "reflector": "Reflector Oracle",
+  "soroswap": "Soroswap"
 }