Implemented detection of codeblocks and made it ignore everything inside it.

omg.py

@@ -91,10 +91,19 @@ class OMG:
             "links": []
         }
 
+        codeblock = False
+
         for line in content.split("\n"):
             if line == "":
                 continue
 
+            if line.startswith("```"):  # detect codeblocks and ignore everything inside it
+                codeblock = not codeblock
+                continue
+
+            if codeblock:
+                continue
+
             # ==== headings ====
             if line.startswith("#"):  # heading or tag
                 tokens = line.split()