Rename example files to exemplar

See exercism/docs#23

languages/clojure/exercises/concept/bird-watcher/example.clj → languages/clojure/exercises/concept/bird-watcher/exemplar.clj

@@ -1,22 +1,22 @@
-(ns vectors)
-
-(def last-week [0 2 5 3 7 8 4])
-(def birds-per-day [2 5 0 7 4 1])
-
-(defn today [birds]
-  (last birds))
-
-(defn inc-bird [birds]
-  (update birds (dec (count birds)) inc))
-
-(defn day-without-birds? [birds]
-  (pos? (count (filter zero? birds))))
-
-(defn n-days-count [birds n]
-  (reduce + (take n birds)))
-
-(defn busy-days [birds]
-  (count (filter #(>= % 5) birds)))
-
-(defn odd-week? [birds]
-  (= birds [1 0 1 0 1 0 1]))
+(ns vectors)
+
+(def last-week [0 2 5 3 7 8 4])
+(def birds-per-day [2 5 0 7 4 1])
+
+(defn today [birds]
+  (last birds))
+
+(defn inc-bird [birds]
+  (update birds (dec (count birds)) inc))
+
+(defn day-without-birds? [birds]
+  (pos? (count (filter zero? birds))))
+
+(defn n-days-count [birds n]
+  (reduce + (take n birds)))
+
+(defn busy-days [birds]
+  (count (filter #(>= % 5) birds)))
+
+(defn odd-week? [birds]
+  (= birds [1 0 1 0 1 0 1]))