Add step-by-step tutorial

samples/search-engine-selector.lua

@@ -0,0 +1,25 @@
+-- name = "Search Engine Selector"
+-- type = "search"
+
+local lastQuery = ""
+
+function on_search(query)
+    lastQuery = query
+    local results = {}
+    if #query > 0 then
+        table.insert(results, "Search Google for: " .. query)
+        table.insert(results, "Search Bing for: " .. query)
+    end
+    search:show_lines(results)
+end
+
+function on_click(index)
+    if index == 1 then
+        system:open_browser("https://www.google.com/search?q=" .. lastQuery)
+        return true
+    elseif index == 2 then
+        system:open_browser("https://www.bing.com/search?q=" .. lastQuery)
+        return true
+    end
+    return false
+end