release: prepare for v0.8.0

Signed-off-by: Ron Evans <ron@hybridgroup.com>

CHANGELOG.md

@@ -1,3 +1,16 @@
+0.8.0
+---
+- **new devices**
+    - mcp3008: add implementation for MCP3008 ADC with SPI interface
+    - semihosting: initial implementation of ARM semihosting
+- **enhancements**
+    - espat: refactor response processing for greater speed and efficiency
+    - espat: implement mqtt subscribe functionality via blocking select/channels (experiemental)
+- **bugfixes**
+    - st7789: fix index out of bounds error
+- **examples**
+    - Add espat driver example for mqtt subscribe
+
 0.7.0
 ---
 - **new devices**

version.go

@@ -2,4 +2,4 @@ package drivers
 
 // Version returns a user-readable string showing the version of the drivers package for support purposes.
 // Update this value before release of new version of software.
-const Version = "0.7.0"
+const Version = "0.8.0"