Dev Docs: Add Glossary Entries & Search Links

This adds the data used to populate the glossary and search terms.

Closes #593

_data/glossary/en/merkle-tree.yaml

@@ -0,0 +1,32 @@
+---
+# This file is licensed under the MIT License (MIT) available on
+# http://opensource.org/licenses/MIT.
+
+required:
+                                           #-------------40 characters-------------#
+    title_max_40_characters_no_formatting: Merkle Tree
+
+    summary_max_255_characters_no_formatting: >
+        A tree constructed by hashing paired data (the leaves), then
+        pairing and hashing the results until a single hash remains, the
+        merkle root.  In Bitcoin, the leaves are almost always
+        transactions from a single block.
+
+    synonyms_shown_in_glossary_capitalize_first_letter:
+        - Merkle tree
+
+optional:
+    synonyms_and_pluralizations_not_shown_in_glossary:
+        - merkle trees
+
+    not_to_be_confused_with_capitalize_first_letter:
+        - Partial merkle branch (a branch connecting one or more leaves to the root)
+        - Merkle block (a partial merkle branch connecting one or more transactions from a single block to the block merkle root)
+
+    links_html_or_markdown_style_capitalize_first_letter:
+        - "[Merkle tree](/en/developer-guide#term-merkle-tree) --- Bitcoin.org Developer Guide"
+        - "[Merkle trees](https://en.bitcoin.it/wiki/Protocol_documentation#Merkle_Trees) --- Bitcoin Wiki"
+        - "[How do I implement a merkle tree?](http://bitcoin.stackexchange.com/q/1110) --- Bitcoin StackExchange"
+        - "[Merkle tree](https://en.wikipedia.org/wiki/Merkle_tree) --- Wikipedia"
+
+---