Add custom dictionary.

.cspell/custom-dictionary-workspace.txt

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+# Custom Dictionary Words
+Balkanization
+commoditized
+CSTF
+Forkability

.vscode/settings.json

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+{
+    "cSpell.customDictionaries": {
+        "custom-dictionary-workspace": {
+            "name": "custom-dictionary-workspace",
+            "path": "${workspaceFolder:civilsociety.dev}/.cspell/custom-dictionary-workspace.txt",
+            "addWords": true,
+            "scope": "workspace"
+        }
+    }
+}