docs: Mintlify MDX docs + docs.json; bump Speakeasy to 1.787.0 (#382)

docs/components/capabilitydescriptor.mdx

@@ -0,0 +1,27 @@
+---
+title: "CapabilityDescriptor"
+---
+
+A typed descriptor for one supported request parameter.
+
+
+## Supported Types
+
+### `components.EnumCapability`
+
+```python
+value: components.EnumCapability = /* values here */
+```
+
+### `components.RangeCapability`
+
+```python
+value: components.RangeCapability = /* values here */
+```
+
+### `components.BooleanCapability`
+
+```python
+value: components.BooleanCapability = /* values here */
+```
+