misc: update documentation and bump version (#1002)

Promote runtime to stable.

Author: lauzadis

.changes/0d160086-1be7-438a-8d14-60673fb53e29.json

@@ -0,0 +1,5 @@
+{
+    "id": "0d160086-1be7-438a-8d14-60673fb53e29",
+    "type": "misc",
+    "description": "Mark runtime as stable"
+}

README.md

@@ -2,8 +2,6 @@
 
 Smithy code generators for Kotlin.
 
-**WARNING: All interfaces are subject to change.**
-
 [![License][apache-badge]][apache-url]
 
 [apache-badge]: https://img.shields.io/badge/License-Apache%202.0-blue.svg

docs/design/binary-streaming.md

@@ -417,8 +417,7 @@ suspend fun ByteStream.toFile(..) {...}
 
 
 
-The `SdkByteReadChannel` interface is given below and represents an abstract channel to read bytes from, it's definition is subject to change:
-
+The `SdkByteReadChannel` interface is given below and represents an abstract channel to read bytes from:
 
 ```kotlin
 /**
@@ -474,7 +473,7 @@ public interface SdkByteReadChannel {
 
 ```
 
-The `SdkSource` interface is given below and represents an abstract source to read bytes from, it's definition is subject to change:
+The `SdkSource` interface is given below and represents an abstract source to read bytes from:
 
 ```kotlin
 /**

gradle.properties

@@ -8,7 +8,7 @@ kotlin.native.ignoreDisabledTargets=true
 org.gradle.jvmargs=-Xmx2G -XX:MaxMetaspaceSize=1G
 
 # SDK
-sdkVersion=0.30.1-SNAPSHOT
+sdkVersion=1.0.0-SNAPSHOT
 
 # codegen
 codegenVersion=0.30.1-SNAPSHOT