fix: use jsx syntax for legend color (#251)

Signed-off-by: Todd Baert <[email protected]>

specification/sections/01-flag-evaluation.md

@@ -437,7 +437,7 @@ stateDiagram-v2
 
 \* transitions occurring when associated events are spontaneously emitted from the provider
 
-<span style="color:#888">█</span> only defined in static-context (client-side) paradigm
+<span style={{ color: '#888' }}>█</span> only defined in static-context (client-side) paradigm
 
 > [!NOTE]
 > Only SDKs implementing the [static context (client-side) paradigm](../glossary.md#static-context-paradigm) define `RECONCILING` to facilitate [context reconciliation](./02-providers.md#26-provider-context-reconciliation).
@@ -506,4 +506,4 @@ see: [error codes](../types.md#error-code), [flag value resolution](./02-provide
 
 The SDK ensures that if the provider's lifecycle methods terminate with an `error code`, that error code is included in any associated error events and returned/thrown errors/exceptions.
 
-see: [error codes](../types.md#error-code)
+see: [error codes](../types.md#error-code)