feat: adding coffeescript bfs implementation

06_breadth-first_search/coffeescript/01_breadth-first_search.coffee

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+graph = {}
+
+graph["you"] = ["alice", "claire", "bob"]
+graph["bob"] = ["peggy", "anuj"]
+graph["alice"] = ["peggy"]
+graph["claire"] = ["jonny", "thom"]
+graph["anuj"] = []
+graph["peggy"] = []
+graph["jonny"] = []
+graph["thom"] = []
+
+bfs = (name) ->
+  deque = graph[name][..]
+  checked = []
+
+  while deque.length > 0
+    pessoa = deque.shift()
+
+    if pessoa not in checked
+      if personIsSeller(pessoa)
+        return true
+      else
+        deque = deque.concat(graph[pessoa])
+        checked.push(pessoa)
+
+  return false
+
+
+personIsSeller = (name) ->
+  name[name.length - 1] is "m"
+
+console.log bfs("you")

06_breadth-first_search/coffeescript/README.md

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+## How to Run the Algorithm
+
+```
+# Install CoffeeScript
+npm install -g coffeescript
+
+# Run directly
+coffee 01_breadth-first_search.coffee
+
+# Or compile and run
+coffee -c 01_breadth-first_search.coffee && node 01_breadth-first_search.js
+```