fix Finger and Radix trees URLs (#12)

Author: pavlus

content/resources.toml

@@ -50,12 +50,12 @@ category = "structures and algorithms"
 
 [[resources]]
 name = "Finger Tree"
-url = "https://en.wikipedia.org/wiki/Finger_tree)"
+url = "https://en.wikipedia.org/wiki/Finger_tree"
 category = "structures and algorithms"
 
 [[resources]]
 name = "Radix Tree"
-url = "https://en.wikipedia.org/wiki/Radix_tree)"
+url = "https://en.wikipedia.org/wiki/Radix_tree"
 category = "structures and algorithms"
 
 [[resources]]
@@ -71,4 +71,4 @@ category = "structures and algorithms"
 [[resources]]
 name = "Xiph.org digital show-and-tell: Exploring sample rate and bit depth"
 url = "https://xiph.org/video/vid2.shtml"
-category = "misc"
+category = "misc"