add route handler for creating snippets

bruno/CodeSnippets/create_snippet.bru

@@ -0,0 +1,11 @@
+meta {
+  name: create_snippet
+  type: http
+  seq: 3
+}
+
+get {
+  url: 
+  body: none
+  auth: none
+}

bruno/CodeSnippets/environments/local.bru

@@ -0,0 +1,3 @@
+vars {
+  host: http://localhost:3000
+}

bruno/CodeSnippets/ping.bru

@@ -5,7 +5,7 @@ meta {
 }
 
 get {
-  url: http://localhost:3000/api/ping
+  url: {{host}}/api/ping
   body: none
   auth: none
 }